Projet_10_Détection_d'anomalies_Credit_Card_Fraud_Detection.ipynb

{
  "nbformat": 4,
  "nbformat_minor": 0,
  "metadata": {
    "colab": {
      "name": "Projet 10 : Détection d'anomalies : Credit Card Fraud Detection.ipynb",
      "provenance": [],
      "collapsed_sections": []
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    }
  },
  "cells": [
    {
      "cell_type": "code",
      "metadata": {
        "id": "QR301kaHu_P9",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 72
        },
        "outputId": "7eb6ba25-832d-4b7d-978d-31145d0f139f"
      },
      "source": [
        "# Import de bibliothèques\n",
        "\n",
        "import pandas as pd\n",
        "import numpy as np\n",
        "\n",
        "import matplotlib.pyplot as plt\n",
        "import seaborn as sns\n",
        "import plotly.express as px"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "/usr/local/lib/python3.6/dist-packages/statsmodels/tools/_testing.py:19: FutureWarning: pandas.util.testing is deprecated. Use the functions in the public API at pandas.testing instead.\n",
            "  import pandas.util.testing as tm\n"
          ],
          "name": "stderr"
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "hZfnzR9Kw04s",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 437
        },
        "outputId": "adb585ea-ca23-425f-deb5-37eec1e94727"
      },
      "source": [
        "# Import de données (via Kaggle : https://www.kaggle.com/mlg-ulb/creditcardfraud)\n",
        "data = pd.read_csv('/content/creditcard.csv')\n",
        "\n",
        "print(f'Le dataset contient {data.shape[0]} lignes et {data.shape[1]} colonnes.')\n",
        "data"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "Le dataset contient 284807 lignes et 31 colonnes.\n"
          ],
          "name": "stdout"
        },
        {
          "output_type": "execute_result",
          "data": {
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              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>Time</th>\n",
              "      <th>V1</th>\n",
              "      <th>V2</th>\n",
              "      <th>V3</th>\n",
              "      <th>V4</th>\n",
              "      <th>V5</th>\n",
              "      <th>V6</th>\n",
              "      <th>V7</th>\n",
              "      <th>V8</th>\n",
              "      <th>V9</th>\n",
              "      <th>V10</th>\n",
              "      <th>V11</th>\n",
              "      <th>V12</th>\n",
              "      <th>V13</th>\n",
              "      <th>V14</th>\n",
              "      <th>V15</th>\n",
              "      <th>V16</th>\n",
              "      <th>V17</th>\n",
              "      <th>V18</th>\n",
              "      <th>V19</th>\n",
              "      <th>V20</th>\n",
              "      <th>V21</th>\n",
              "      <th>V22</th>\n",
              "      <th>V23</th>\n",
              "      <th>V24</th>\n",
              "      <th>V25</th>\n",
              "      <th>V26</th>\n",
              "      <th>V27</th>\n",
              "      <th>V28</th>\n",
              "      <th>Amount</th>\n",
              "      <th>Class</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>0.0</td>\n",
              "      <td>-1.359807</td>\n",
              "      <td>-0.072781</td>\n",
              "      <td>2.536347</td>\n",
              "      <td>1.378155</td>\n",
              "      <td>-0.338321</td>\n",
              "      <td>0.462388</td>\n",
              "      <td>0.239599</td>\n",
              "      <td>0.098698</td>\n",
              "      <td>0.363787</td>\n",
              "      <td>0.090794</td>\n",
              "      <td>-0.551600</td>\n",
              "      <td>-0.617801</td>\n",
              "      <td>-0.991390</td>\n",
              "      <td>-0.311169</td>\n",
              "      <td>1.468177</td>\n",
              "      <td>-0.470401</td>\n",
              "      <td>0.207971</td>\n",
              "      <td>0.025791</td>\n",
              "      <td>0.403993</td>\n",
              "      <td>0.251412</td>\n",
              "      <td>-0.018307</td>\n",
              "      <td>0.277838</td>\n",
              "      <td>-0.110474</td>\n",
              "      <td>0.066928</td>\n",
              "      <td>0.128539</td>\n",
              "      <td>-0.189115</td>\n",
              "      <td>0.133558</td>\n",
              "      <td>-0.021053</td>\n",
              "      <td>149.62</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>0.0</td>\n",
              "      <td>1.191857</td>\n",
              "      <td>0.266151</td>\n",
              "      <td>0.166480</td>\n",
              "      <td>0.448154</td>\n",
              "      <td>0.060018</td>\n",
              "      <td>-0.082361</td>\n",
              "      <td>-0.078803</td>\n",
              "      <td>0.085102</td>\n",
              "      <td>-0.255425</td>\n",
              "      <td>-0.166974</td>\n",
              "      <td>1.612727</td>\n",
              "      <td>1.065235</td>\n",
              "      <td>0.489095</td>\n",
              "      <td>-0.143772</td>\n",
              "      <td>0.635558</td>\n",
              "      <td>0.463917</td>\n",
              "      <td>-0.114805</td>\n",
              "      <td>-0.183361</td>\n",
              "      <td>-0.145783</td>\n",
              "      <td>-0.069083</td>\n",
              "      <td>-0.225775</td>\n",
              "      <td>-0.638672</td>\n",
              "      <td>0.101288</td>\n",
              "      <td>-0.339846</td>\n",
              "      <td>0.167170</td>\n",
              "      <td>0.125895</td>\n",
              "      <td>-0.008983</td>\n",
              "      <td>0.014724</td>\n",
              "      <td>2.69</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>1.0</td>\n",
              "      <td>-1.358354</td>\n",
              "      <td>-1.340163</td>\n",
              "      <td>1.773209</td>\n",
              "      <td>0.379780</td>\n",
              "      <td>-0.503198</td>\n",
              "      <td>1.800499</td>\n",
              "      <td>0.791461</td>\n",
              "      <td>0.247676</td>\n",
              "      <td>-1.514654</td>\n",
              "      <td>0.207643</td>\n",
              "      <td>0.624501</td>\n",
              "      <td>0.066084</td>\n",
              "      <td>0.717293</td>\n",
              "      <td>-0.165946</td>\n",
              "      <td>2.345865</td>\n",
              "      <td>-2.890083</td>\n",
              "      <td>1.109969</td>\n",
              "      <td>-0.121359</td>\n",
              "      <td>-2.261857</td>\n",
              "      <td>0.524980</td>\n",
              "      <td>0.247998</td>\n",
              "      <td>0.771679</td>\n",
              "      <td>0.909412</td>\n",
              "      <td>-0.689281</td>\n",
              "      <td>-0.327642</td>\n",
              "      <td>-0.139097</td>\n",
              "      <td>-0.055353</td>\n",
              "      <td>-0.059752</td>\n",
              "      <td>378.66</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>1.0</td>\n",
              "      <td>-0.966272</td>\n",
              "      <td>-0.185226</td>\n",
              "      <td>1.792993</td>\n",
              "      <td>-0.863291</td>\n",
              "      <td>-0.010309</td>\n",
              "      <td>1.247203</td>\n",
              "      <td>0.237609</td>\n",
              "      <td>0.377436</td>\n",
              "      <td>-1.387024</td>\n",
              "      <td>-0.054952</td>\n",
              "      <td>-0.226487</td>\n",
              "      <td>0.178228</td>\n",
              "      <td>0.507757</td>\n",
              "      <td>-0.287924</td>\n",
              "      <td>-0.631418</td>\n",
              "      <td>-1.059647</td>\n",
              "      <td>-0.684093</td>\n",
              "      <td>1.965775</td>\n",
              "      <td>-1.232622</td>\n",
              "      <td>-0.208038</td>\n",
              "      <td>-0.108300</td>\n",
              "      <td>0.005274</td>\n",
              "      <td>-0.190321</td>\n",
              "      <td>-1.175575</td>\n",
              "      <td>0.647376</td>\n",
              "      <td>-0.221929</td>\n",
              "      <td>0.062723</td>\n",
              "      <td>0.061458</td>\n",
              "      <td>123.50</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>2.0</td>\n",
              "      <td>-1.158233</td>\n",
              "      <td>0.877737</td>\n",
              "      <td>1.548718</td>\n",
              "      <td>0.403034</td>\n",
              "      <td>-0.407193</td>\n",
              "      <td>0.095921</td>\n",
              "      <td>0.592941</td>\n",
              "      <td>-0.270533</td>\n",
              "      <td>0.817739</td>\n",
              "      <td>0.753074</td>\n",
              "      <td>-0.822843</td>\n",
              "      <td>0.538196</td>\n",
              "      <td>1.345852</td>\n",
              "      <td>-1.119670</td>\n",
              "      <td>0.175121</td>\n",
              "      <td>-0.451449</td>\n",
              "      <td>-0.237033</td>\n",
              "      <td>-0.038195</td>\n",
              "      <td>0.803487</td>\n",
              "      <td>0.408542</td>\n",
              "      <td>-0.009431</td>\n",
              "      <td>0.798278</td>\n",
              "      <td>-0.137458</td>\n",
              "      <td>0.141267</td>\n",
              "      <td>-0.206010</td>\n",
              "      <td>0.502292</td>\n",
              "      <td>0.219422</td>\n",
              "      <td>0.215153</td>\n",
              "      <td>69.99</td>\n",
              "      <td>0</td>\n",
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              "      <th>...</th>\n",
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              "    <tr>\n",
              "      <th>284802</th>\n",
              "      <td>172786.0</td>\n",
              "      <td>-11.881118</td>\n",
              "      <td>10.071785</td>\n",
              "      <td>-9.834783</td>\n",
              "      <td>-2.066656</td>\n",
              "      <td>-5.364473</td>\n",
              "      <td>-2.606837</td>\n",
              "      <td>-4.918215</td>\n",
              "      <td>7.305334</td>\n",
              "      <td>1.914428</td>\n",
              "      <td>4.356170</td>\n",
              "      <td>-1.593105</td>\n",
              "      <td>2.711941</td>\n",
              "      <td>-0.689256</td>\n",
              "      <td>4.626942</td>\n",
              "      <td>-0.924459</td>\n",
              "      <td>1.107641</td>\n",
              "      <td>1.991691</td>\n",
              "      <td>0.510632</td>\n",
              "      <td>-0.682920</td>\n",
              "      <td>1.475829</td>\n",
              "      <td>0.213454</td>\n",
              "      <td>0.111864</td>\n",
              "      <td>1.014480</td>\n",
              "      <td>-0.509348</td>\n",
              "      <td>1.436807</td>\n",
              "      <td>0.250034</td>\n",
              "      <td>0.943651</td>\n",
              "      <td>0.823731</td>\n",
              "      <td>0.77</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>284803</th>\n",
              "      <td>172787.0</td>\n",
              "      <td>-0.732789</td>\n",
              "      <td>-0.055080</td>\n",
              "      <td>2.035030</td>\n",
              "      <td>-0.738589</td>\n",
              "      <td>0.868229</td>\n",
              "      <td>1.058415</td>\n",
              "      <td>0.024330</td>\n",
              "      <td>0.294869</td>\n",
              "      <td>0.584800</td>\n",
              "      <td>-0.975926</td>\n",
              "      <td>-0.150189</td>\n",
              "      <td>0.915802</td>\n",
              "      <td>1.214756</td>\n",
              "      <td>-0.675143</td>\n",
              "      <td>1.164931</td>\n",
              "      <td>-0.711757</td>\n",
              "      <td>-0.025693</td>\n",
              "      <td>-1.221179</td>\n",
              "      <td>-1.545556</td>\n",
              "      <td>0.059616</td>\n",
              "      <td>0.214205</td>\n",
              "      <td>0.924384</td>\n",
              "      <td>0.012463</td>\n",
              "      <td>-1.016226</td>\n",
              "      <td>-0.606624</td>\n",
              "      <td>-0.395255</td>\n",
              "      <td>0.068472</td>\n",
              "      <td>-0.053527</td>\n",
              "      <td>24.79</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>284804</th>\n",
              "      <td>172788.0</td>\n",
              "      <td>1.919565</td>\n",
              "      <td>-0.301254</td>\n",
              "      <td>-3.249640</td>\n",
              "      <td>-0.557828</td>\n",
              "      <td>2.630515</td>\n",
              "      <td>3.031260</td>\n",
              "      <td>-0.296827</td>\n",
              "      <td>0.708417</td>\n",
              "      <td>0.432454</td>\n",
              "      <td>-0.484782</td>\n",
              "      <td>0.411614</td>\n",
              "      <td>0.063119</td>\n",
              "      <td>-0.183699</td>\n",
              "      <td>-0.510602</td>\n",
              "      <td>1.329284</td>\n",
              "      <td>0.140716</td>\n",
              "      <td>0.313502</td>\n",
              "      <td>0.395652</td>\n",
              "      <td>-0.577252</td>\n",
              "      <td>0.001396</td>\n",
              "      <td>0.232045</td>\n",
              "      <td>0.578229</td>\n",
              "      <td>-0.037501</td>\n",
              "      <td>0.640134</td>\n",
              "      <td>0.265745</td>\n",
              "      <td>-0.087371</td>\n",
              "      <td>0.004455</td>\n",
              "      <td>-0.026561</td>\n",
              "      <td>67.88</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>284805</th>\n",
              "      <td>172788.0</td>\n",
              "      <td>-0.240440</td>\n",
              "      <td>0.530483</td>\n",
              "      <td>0.702510</td>\n",
              "      <td>0.689799</td>\n",
              "      <td>-0.377961</td>\n",
              "      <td>0.623708</td>\n",
              "      <td>-0.686180</td>\n",
              "      <td>0.679145</td>\n",
              "      <td>0.392087</td>\n",
              "      <td>-0.399126</td>\n",
              "      <td>-1.933849</td>\n",
              "      <td>-0.962886</td>\n",
              "      <td>-1.042082</td>\n",
              "      <td>0.449624</td>\n",
              "      <td>1.962563</td>\n",
              "      <td>-0.608577</td>\n",
              "      <td>0.509928</td>\n",
              "      <td>1.113981</td>\n",
              "      <td>2.897849</td>\n",
              "      <td>0.127434</td>\n",
              "      <td>0.265245</td>\n",
              "      <td>0.800049</td>\n",
              "      <td>-0.163298</td>\n",
              "      <td>0.123205</td>\n",
              "      <td>-0.569159</td>\n",
              "      <td>0.546668</td>\n",
              "      <td>0.108821</td>\n",
              "      <td>0.104533</td>\n",
              "      <td>10.00</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>284806</th>\n",
              "      <td>172792.0</td>\n",
              "      <td>-0.533413</td>\n",
              "      <td>-0.189733</td>\n",
              "      <td>0.703337</td>\n",
              "      <td>-0.506271</td>\n",
              "      <td>-0.012546</td>\n",
              "      <td>-0.649617</td>\n",
              "      <td>1.577006</td>\n",
              "      <td>-0.414650</td>\n",
              "      <td>0.486180</td>\n",
              "      <td>-0.915427</td>\n",
              "      <td>-1.040458</td>\n",
              "      <td>-0.031513</td>\n",
              "      <td>-0.188093</td>\n",
              "      <td>-0.084316</td>\n",
              "      <td>0.041333</td>\n",
              "      <td>-0.302620</td>\n",
              "      <td>-0.660377</td>\n",
              "      <td>0.167430</td>\n",
              "      <td>-0.256117</td>\n",
              "      <td>0.382948</td>\n",
              "      <td>0.261057</td>\n",
              "      <td>0.643078</td>\n",
              "      <td>0.376777</td>\n",
              "      <td>0.008797</td>\n",
              "      <td>-0.473649</td>\n",
              "      <td>-0.818267</td>\n",
              "      <td>-0.002415</td>\n",
              "      <td>0.013649</td>\n",
              "      <td>217.00</td>\n",
              "      <td>0</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "<p>284807 rows × 31 columns</p>\n",
              "</div>"
            ],
            "text/plain": [
              "            Time         V1         V2  ...       V28  Amount  Class\n",
              "0            0.0  -1.359807  -0.072781  ... -0.021053  149.62      0\n",
              "1            0.0   1.191857   0.266151  ...  0.014724    2.69      0\n",
              "2            1.0  -1.358354  -1.340163  ... -0.059752  378.66      0\n",
              "3            1.0  -0.966272  -0.185226  ...  0.061458  123.50      0\n",
              "4            2.0  -1.158233   0.877737  ...  0.215153   69.99      0\n",
              "...          ...        ...        ...  ...       ...     ...    ...\n",
              "284802  172786.0 -11.881118  10.071785  ...  0.823731    0.77      0\n",
              "284803  172787.0  -0.732789  -0.055080  ... -0.053527   24.79      0\n",
              "284804  172788.0   1.919565  -0.301254  ... -0.026561   67.88      0\n",
              "284805  172788.0  -0.240440   0.530483  ...  0.104533   10.00      0\n",
              "284806  172792.0  -0.533413  -0.189733  ...  0.013649  217.00      0\n",
              "\n",
              "[284807 rows x 31 columns]"
            ]
          },
          "metadata": {
            "tags": []
          },
          "execution_count": 3
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "hML__E5N5iVl",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 141
        },
        "outputId": "c9e53a27-d905-4c47-9362-48e5f1c469e8"
      },
      "source": [
        "print(data['Class'].value_counts(), '\\n')\n",
        "print(data['Class'].value_counts(normalize=True)*100)\n",
        "\n",
        "# 99.8 % des valeurs ne sont pas des fraudes"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "0    284315\n",
            "1       492\n",
            "Name: Class, dtype: int64 \n",
            "\n",
            "0    99.827251\n",
            "1     0.172749\n",
            "Name: Class, dtype: float64\n"
          ],
          "name": "stdout"
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "rCUMWcYU0rQj"
      },
      "source": [
        "# Suppression de certaines colonnes\n",
        "data.drop(data.tail(1).index, inplace=True)\n",
        "data.drop(['Time'], axis=1, inplace=True)\n",
        "\n",
        "data_class = data['Class']\n",
        "data.drop(['Class'], axis=1, inplace=True)"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "UzJT6uHQ67kA"
      },
      "source": [
        "# Création du jeu d'entraînement\n",
        "y_train = data_class\n",
        "X_train = data"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "bT_bCswb8Jy2"
      },
      "source": [
        "# Import de bibliothèques de Machine Learning\n",
        "\n",
        "from sklearn.tree import DecisionTreeClassifier\n",
        "from sklearn.ensemble import RandomForestClassifier, AdaBoostClassifier, GradientBoostingClassifier, BaggingClassifier\n",
        "from sklearn.svm import SVC\n",
        "from sklearn.neighbors import KNeighborsClassifier\n",
        "from sklearn.linear_model import LogisticRegression\n",
        "\n",
        "import xgboost as xgb\n",
        "\n",
        "from sklearn.pipeline import make_pipeline\n",
        "from sklearn.preprocessing import StandardScaler\n",
        "from sklearn.model_selection import learning_curve\n",
        "from sklearn.model_selection import cross_val_score\n",
        "from sklearn.metrics import precision_score"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "uzX7TgY0j21i",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 586
        },
        "outputId": "fa8900a9-f0fe-4962-dd38-92bcf24b68b9"
      },
      "source": [
        "# Test de plusieurs algorithmes de Machine Learning (9 modèles)\n",
        "\n",
        "# Ratio du nombre de fraudes\n",
        "ratio = data_class[data_class == 1].shape[0] / (data.shape[0]-1)\n",
        "\n",
        "print(f'{round(ratio,5)} de fraudes contre {data_class[data_class == 0].shape[0] / (data.shape[0]-1)} de non-fraudes.')\n",
        "print(f'L\\'objectif est donc de dépasser {data_class[data_class == 0].shape[0] / (data.shape[0]-1)}\\n')\n",
        "\n",
        "model_1 = AdaBoostClassifier(random_state=0)\n",
        "model_2 = DecisionTreeClassifier(random_state=0)\n",
        "model_3 = RandomForestClassifier(random_state=0)\n",
        "model_4 = SVC(random_state=0)\n",
        "model_5 = KNeighborsClassifier()\n",
        "model_6 = LogisticRegression(random_state=0)\n",
        "model_7 = GradientBoostingClassifier(random_state=0)\n",
        "model_8 = BaggingClassifier(base_estimator=DecisionTreeClassifier(random_state=0),n_estimators=100)\n",
        "model_9 = xgb.XGBClassifier(random_state=0)\n",
        "\n",
        "dict_models = {'AdaBoostClassifier':model_1,\n",
        "               'DecisionTreeClassifier':model_2,\n",
        "               'RandomForestClassifier':model_3,\n",
        "               'SVC':model_4,\n",
        "               'KNeighborsClassifier':model_5,\n",
        "               'LogisticRegression':model_6,\n",
        "               'GradientBoostingClassifier':model_7,\n",
        "               'BaggingClassifier':model_8,\n",
        "               'XGBClassifier':model_9}\n",
        "\n",
        "for key, model in dict_models.items():\n",
        "  score = cross_val_score(model, X_train, y_train, cv=2).mean()*100\n",
        "  print(f'- {key} : {score} %')\n",
        "\n",
        "# Performances sur la validation croisée :\n",
        "  # - AdaBoostClassifier : 99.907 %\n",
        "  # - DecisionTreeClassifier : 99.827 %\n",
        "  # - RandomForestClassifier : 99.927 %\n",
        "  # - SVC : 99.867 %\n",
        "  # - KNeighborsClassifier : 99.892 %\n",
        "  # - LogisticRegression : 99.910 %\n",
        "  # - GradientBoostingClassifier : 99.856 %\n",
        "  # - BaggingClassifier : 99.914 %\n",
        "  # - XGBClassifier : 99.921 %"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "0.00173 de fraudes contre 0.9982760134126859 de non-fraudes.\n",
            "L'objectif est donc de dépasser 0.9982760134126859\n",
            "\n",
            "- AdaBoostClassifier : 99.90695420742541 %\n",
            "- DecisionTreeClassifier : 99.82654859799302 %\n",
            "- RandomForestClassifier : 99.92661671453551 %\n",
            "- SVC : 99.8672780770068 %\n",
            "- KNeighborsClassifier : 99.89185621089443 %\n"
          ],
          "name": "stdout"
        },
        {
          "output_type": "stream",
          "text": [
            "/usr/local/lib/python3.6/dist-packages/sklearn/linear_model/_logistic.py:940: ConvergenceWarning:\n",
            "\n",
            "lbfgs failed to converge (status=1):\n",
            "STOP: TOTAL NO. of ITERATIONS REACHED LIMIT.\n",
            "\n",
            "Increase the number of iterations (max_iter) or scale the data as shown in:\n",
            "    https://scikit-learn.org/stable/modules/preprocessing.html\n",
            "Please also refer to the documentation for alternative solver options:\n",
            "    https://scikit-learn.org/stable/modules/linear_model.html#logistic-regression\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/linear_model/_logistic.py:940: ConvergenceWarning:\n",
            "\n",
            "lbfgs failed to converge (status=1):\n",
            "STOP: TOTAL NO. of ITERATIONS REACHED LIMIT.\n",
            "\n",
            "Increase the number of iterations (max_iter) or scale the data as shown in:\n",
            "    https://scikit-learn.org/stable/modules/preprocessing.html\n",
            "Please also refer to the documentation for alternative solver options:\n",
            "    https://scikit-learn.org/stable/modules/linear_model.html#logistic-regression\n",
            "\n"
          ],
          "name": "stderr"
        },
        {
          "output_type": "stream",
          "text": [
            "- LogisticRegression : 99.90906090461577 %\n",
            "- GradientBoostingClassifier : 99.85639347485657 %\n",
            "- BaggingClassifier : 99.9136254151949 %\n",
            "- XGBClassifier : 99.9206477391628 %\n"
          ],
          "name": "stdout"
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "eyJmCfbSxMIm",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 70
        },
        "outputId": "4ed11647-b524-4773-dcdd-07f239024d0f"
      },
      "source": [
        "from sklearn.ensemble import IsolationForest\n",
        "# On arrête avec les algo de classificatio binaire et on passe aux algo de détection d'anomalies\n",
        "\n",
        "ratio = data_class[data_class == 1].shape[0] / (data.shape[0]-1)\n",
        "print(f'{round(ratio,5)} de fraudes contre {data_class[data_class == 0].shape[0] / (data.shape[0]-1)} de non-fraudes.')\n",
        "print(f'L\\'objectif est donc de dépasser {data_class[data_class == 0].shape[0] / (data.shape[0]-1)}')\n",
        "\n",
        "model = IsolationForest(random_state=0, contamination=round(ratio,5))\n",
        "\n",
        "model.fit(data)\n",
        "pred = model.predict(data)\n",
        "\n",
        "# outliers = pred == -1 \n",
        "# a_garder = pred == 1\n",
        "\n",
        "result = np.where(pred==1, 0, pred) \n",
        "result = np.where(result==-1, 1, result) \n",
        "\n",
        "res = (result == np.array(data_class)).mean()*100\n",
        "print(f'- IsolationForest : {res} %') # Pas meilleur que les algo de classification"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "0.00173 de fraudes contre 0.9982760134126859 de non-fraudes.\n",
            "L'objectif est donc de dépasser 0.9982760134126859\n",
            "- IsolationForest : 99.75316531252852 %\n"
          ],
          "name": "stdout"
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "cDjYlTzan_9x",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 1000
        },
        "outputId": "35948e6e-4131-45a8-f240-20a316efcdd8"
      },
      "source": [
        "from sklearn.covariance import EllipticEnvelope\n",
        "# Autres algo de détection d'anomalies\n",
        "\n",
        "ratio = data_class[data_class == 1].shape[0] / (data.shape[0]-1)\n",
        "print(f'{round(ratio,5)} de fraudes contre {data_class[data_class == 0].shape[0] / (data.shape[0]-1)} de non-fraudes.')\n",
        "print(f'L\\'objectif est donc de dépasser {data_class[data_class == 0].shape[0] / (data.shape[0]-1)}')\n",
        "\n",
        "model = EllipticEnvelope(random_state=0, contamination=round(ratio,5))\n",
        "\n",
        "model.fit(data)\n",
        "pred = model.predict(data)\n",
        "\n",
        "# outliers = pred == -1 \n",
        "# a_garder = pred == 1\n",
        "\n",
        "result = np.where(pred==1, 0, pred) \n",
        "result = np.where(result==-1, 1, result) \n",
        "\n",
        "res = (result == np.array(data_class)).mean()*100\n",
        "print(f'- EllipticEnvelope : {res} %') # Moins bon que IsolationForest"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "0.00173 de fraudes contre 0.9982760134126859 de non-fraudes.\n",
            "L'objectif est donc de dépasser 0.9982760134126859\n"
          ],
          "name": "stdout"
        },
        {
          "output_type": "stream",
          "text": [
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-175.859804037405979 > -177.082256354614628). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-176.811138205469263 > -228.551330777624315). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.255110728895943 > -234.470117350204134). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-185.244641387013019 > -185.843313333321191). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.622506074688147 > -239.550576899730913). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-251.949020150144690 > -255.876999990200090). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-242.240110523986061 > -270.314166897186055). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-202.115215662396253 > -235.964773579635619). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-245.793700211014851 > -276.160757252879762). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.335965089687761 > -238.599119141949586). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-251.867880061681689 > -273.331984316168757). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.372535375192655 > -245.441392262462784). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-182.489238814661604 > -204.529425484953322). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-274.308867708162893 > -298.062838487895931). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-179.044658136279537 > -230.571294423223748). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.598754960484570 > -243.703782351656400). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.387955790235281 > -238.811235612970563). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-275.190743969687617 > -298.304187963120341). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-218.224288981465406 > -242.066996441099661). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.647601895704071 > -238.549985228719493). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-182.611599852765011 > -234.026491075992595). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-341.740618018433281 > -342.737595033949731). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.613403654888117 > -237.821029701836324). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-185.456845936254439 > -208.290841265482612). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-186.365726697364607 > -229.098490866437061). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.948189306352702 > -240.938598677176969). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.117707522694701 > -240.126814260195147). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.509475651626786 > -242.653470643381382). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.713532003632395 > -246.455048722705499). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.435994399904388 > -242.062650646851438). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.958245401445424 > -241.539420590814160). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-271.002529279065072 > -292.601561054023591). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-244.192535035655311 > -273.401304370332412). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-184.582928295302878 > -207.789227607991933). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-246.677224943091716 > -267.519014820740210). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.742099389717623 > -240.638703229279116). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-179.505989550183045 > -239.896125829940388). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-246.194983511390518 > -270.265355924621531). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-220.283506633636733 > -238.871050378809997). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-183.924942166570986 > -252.517244049864985). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.002159798546131 > -239.656707879803179). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.616431384417325 > -239.025332097255415). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.234108703504944 > -240.063271576159082). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-174.455299281409623 > -174.689093383065654). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-151.035870472010885 > -256.882889747388276). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.487723146553861 > -263.023308580824050). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-181.218360460879921 > -264.073950131431161). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-177.180056487951873 > -182.126857546747118). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-251.129624001858815 > -272.019769572517077). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-180.590259277076854 > -233.430598247262196). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-243.548064228373306 > -296.981697225646428). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-208.934446731872157 > -240.839838764707395). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-184.509808019724460 > -234.853797119601921). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.903704172951450 > -236.965705612926655). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-208.661349764832636 > -235.700775902344418). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-149.060411918946386 > -287.170633351784033). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-278.853482742390099 > -279.232340340084875). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.111167068037730 > -239.250219666390677). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.061872659457322 > -238.986426441257663). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.685270142817018 > -239.444317582621750). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-250.745356535491851 > -272.163276803862743). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-272.326269277444339 > -297.588018659500563). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-147.827662260480167 > -259.484931409753187). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-177.402530715820575 > -266.915345749723429). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-216.573128760625082 > -240.167746793427455). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-177.741309660139621 > -180.448057525014605). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-253.012323276112141 > -271.304695916730623). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-248.062587987171298 > -275.613495415409602). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.133790986272061 > -239.277682944255872). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-221.025745560694475 > -245.923753568939276). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-149.363521099319030 > -150.300578386893250). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-175.784235578044189 > -176.966439938632675). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-249.783001922851895 > -271.222974013371299). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-246.182223588020889 > -272.687195867960099). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.713481013146918 > -241.230872089662739). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-216.698294127232657 > -241.814984708995496). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-206.810680545375817 > -239.175627639572667). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.452968101974307 > -236.130174658444901). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.456455205549815 > -237.550995309179967). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.686268129791813 > -239.021717105059707). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.242624111486151 > -240.910095630859104). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-219.691816336849683 > -240.367152036690641). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-216.105270838013041 > -238.125025818434580). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-201.659641860487454 > -230.658502214935311). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-206.004421418764252 > -263.957185180168949). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-220.483481841032045 > -241.267804510133459). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-204.638040200042298 > -234.098216101363278). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-255.365639741929016 > -269.851042781538126). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-266.210860975422293 > -266.996339629941076). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-220.314660070869422 > -245.482926064509115). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-250.639061608363079 > -272.644053138043148). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-178.026122887057738 > -178.175788787392435). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.737189909370812 > -268.786336215150641). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-252.912036734593244 > -252.931915849503127). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.693283630148358 > -242.808123072050961). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.014206060564987 > -241.150690925958770). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-206.643657655727878 > -239.429181491176621). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-179.459041825511889 > -199.672139676861121). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-207.524961193131560 > -244.400239651839257). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-208.947283831223274 > -237.990134804511740). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.136998550538351 > -238.987885602944118). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-248.952133457281093 > -275.585034186995358). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.746201439252673 > -244.904365337456682). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.111167068037730 > -238.040223185245367). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-218.002351093540398 > -242.445973008892395). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.792325376267087 > -240.816604914085701). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-207.831349961690705 > -237.069651777426827). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-248.377068149669356 > -272.220584316809664). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-181.484362503422517 > -252.605588341480399). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.294149451980360 > -238.663489792769724). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-245.858746923442311 > -264.139346619538401). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.908505961432695 > -239.060633838884826). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-207.188939865744771 > -242.514872139959863). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-188.248123387188031 > -204.666636509482686). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.309567941248616 > -239.528115272757020). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-247.205348202805084 > -268.451464665615447). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-207.068037106894963 > -236.948196638215705). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.776961523515723 > -239.511071625279783). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-174.529633741851569 > -176.648581255367816). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-186.270451089306988 > -206.705797846835395). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.742099389717623 > -238.296740954511222). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-248.690542379983100 > -271.825786223952662). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-181.161419779481264 > -236.460626088833237). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-181.701245977511348 > -251.392512584982114). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-338.646988427965482 > -341.023701858399306). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.986775378494002 > -241.327780150250163). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-272.381593540323536 > -296.668935887782709). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-215.124416720412086 > -238.382182234424675). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.912796871732525 > -239.083543175999324). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-232.976184493890003 > -240.633608403132513). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-342.542690935211226 > -343.875826846196219). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.592365586724725 > -240.633861675634506). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-242.696517944981281 > -243.864962150444683). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.146196595223159 > -239.851938135831034). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-144.024393278544238 > -145.440651549401849). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.014206060564987 > -239.846201178391823). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.104578310420550 > -239.790441927053507). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-241.050729865611061 > -267.238317027021310). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-208.177285821261961 > -241.755685200261894). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.981286536821528 > -240.279334311841893). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-215.265253449304879 > -243.401553780523443). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-187.854910898541561 > -252.474966982911468). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-152.307959325631373 > -263.227118012646827). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-174.132583521020365 > -175.339207053185476). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-179.626513231791819 > -269.124014832557805). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-172.715872356629035 > -199.094865444544354). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-278.752738077012680 > -279.518626993745158). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.005880012017315 > -238.120376055794992). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-219.899415474970311 > -236.499221202215409). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-218.391545365677700 > -241.374982182364135). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-243.729457462319402 > -273.520426683049266). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.887595072611930 > -238.959159123059379). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-265.826226928031076 > -266.052371199164213). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.814437212656117 > -241.689000154105230). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.309567941248616 > -240.950613795744260). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.699299894008846 > -241.584994329436057). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-276.331714914831366 > -299.411765815038336). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.852979973886647 > -242.879521708361921). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-220.882744346757079 > -247.318550511187397). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-207.718075140639115 > -237.262424543932354). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-177.551088834796701 > -181.305597464921448). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-178.704321741823406 > -206.232863552811608). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-183.039250736299152 > -204.027078558886473). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-190.779347058656413 > -192.237007097361897). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-275.190743969687617 > -326.233391688955351). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-306.219202287079042 > -327.198648961933429). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-156.832591256293824 > -158.457302175275856). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-181.974026418772439 > -232.081184281915313). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.111167068037730 > -239.603380996275064). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.715294012475965 > -242.495988037997762). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.111167068037730 > -240.604322337972377). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-184.669410999285276 > -234.761593527584779). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-175.345580457695831 > -176.526482945423481). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-183.720392135684534 > -267.683112161778809). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.535508729169891 > -237.142602733689728). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-216.496355726014656 > -243.903692148840378). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-208.261112534389667 > -238.509148597775152). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.617011868273607 > -269.022055235668347). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.092818520342064 > -239.428366657816241). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.602894794318985 > -237.630887699139151). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-207.570548695303188 > -237.016398304930391). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-217.541219553951976 > -241.846608941441161). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.306783362702816 > -241.525889590386100). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-343.256507759896124 > -347.021798608668462). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-242.837225187849072 > -271.017302015281587). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-337.811175764491111 > -338.992772755869794). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.135698908911536 > -240.248535628467920). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.636575715226911 > -242.412395989893298). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.043106581177796 > -236.854667662000907). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-244.762419164416485 > -246.588061275400690). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-340.408396190321582 > -340.863950239026906). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.814238296803580 > -238.538491570137410). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-243.394124791531794 > -292.753666259608963). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.658468130944470 > -233.393646068653965). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.218000265522051 > -240.535608475988340). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.086210483341716 > -234.188971385592197). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-184.243587688543869 > -208.551721594016215). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.445872139799690 > -243.188529682119565). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.552334841459412 > -241.709081947409146). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-230.893260545450005 > -235.550164949111917). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-248.935778029596577 > -277.979572378618172). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.530559752160059 > -240.872225980162625). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-150.609185332218033 > -151.848014585017950). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-208.883672250968317 > -238.091214284917953). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-182.129901201153359 > -235.847579456216465). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-181.237544415302580 > -203.377660894489964). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.704382192344980 > -236.938910813720099). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.137894365082076 > -235.270147073197478). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-171.804059134999335 > -172.987076967139558). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.599247411615806 > -247.964784449539479). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.529149395605032 > -238.050684078749441). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-180.293924740621406 > -207.017002111702624). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-231.222008594614266 > -235.125380164964213). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-197.622237941273795 > -259.615098018705282). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-251.365918596670440 > -273.742958975583747). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-175.846781916673308 > -179.317274847461817). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-243.140417799378156 > -243.181155251110681). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-207.329620161576599 > -240.453865572324958). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-245.752373735671512 > -273.107177472463775). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-248.639164216611590 > -274.680669523522965). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-179.479612741968197 > -180.785157449887095). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.004354512254650 > -241.683075650378441). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-206.891396979978879 > -235.536794414993494). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-185.385489090672536 > -207.982906352118761). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-244.621650897671202 > -252.320631775943497). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-245.063954991291723 > -245.068781459798629). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-247.729350983713260 > -270.666125684946564). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.293588574137715 > -237.600124489337190). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-152.852046291327071 > -261.382833963862026). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-216.496355726014656 > -239.611676001387394). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-241.785178167546604 > -245.011550005145239). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-216.763167352109122 > -245.104490756134055). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-250.145524666355982 > -267.018308931942045). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.236590570284420 > -241.964389476066060). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-273.277288451484310 > -295.886905573520096). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.696848623701982 > -241.172350056464722). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-183.474094873394847 > -234.643812287912937). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.986775378494002 > -241.049718184187725). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.805785355442083 > -238.532025321459543). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.497648255916971 > -267.538811346304726). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.258432551740896 > -239.720963669264847). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-242.117490926874211 > -264.029451153150376). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-216.727817279535117 > -243.433574025459791). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.140139820145379 > -238.439724540939181). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.326296992106904 > -240.346778155589618). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.310578722074496 > -264.791514652188255). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-183.242540649008049 > -252.315060783592145). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-129.338465406530446 > -262.036968643022760). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-153.796370478555730 > -264.158223802435543). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-235.952441126671033 > -237.186375538836330). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-181.768381670961503 > -231.010714845789209). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-180.567734798427495 > -232.434629200146162). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-166.091377758422084 > -264.322075495753722). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.440585908770259 > -240.378320182921129). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.265882129657371 > -239.860272387143823). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-184.357587062547054 > -230.018961851903299). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-215.261523858944997 > -264.921713341380382). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-254.367568575344166 > -269.284168935015316). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-236.846440697422821 > -265.418134914792631). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-280.728273104607013 > -283.026995072638442). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-237.318836626571056 > -294.087196608510567). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.381945676750036 > -265.423067496718772). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-184.262894452197031 > -251.464732357618118). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.466433580047124 > -240.636287743091174). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-150.175615280119644 > -262.473522521032976). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.449933639131302 > -239.942868577923122). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.707522423104308 > -238.580528675260013). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.385730041606450 > -241.942054233104727). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.986775378494002 > -241.903918680517620). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.639569088790608 > -238.312309465233938). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-248.893694497025365 > -267.334176507640677). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.692317812173741 > -241.311878108413538). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-246.391835883619905 > -272.599156938223985). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-208.166723562809125 > -237.909361636373035). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.817189506080467 > -239.388031801452797). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-247.577418114771262 > -270.724879977139835). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-232.547320287119135 > -237.245359805201872). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-206.114377266019659 > -238.569329784111460). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.661855474700360 > -242.397216912038999). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-249.373433603373797 > -275.170019125225963). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-247.513170720646286 > -269.622286299639143). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.105368066611192 > -239.514567374417993). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-176.430528993486604 > -202.020547753668637). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-178.347357781501927 > -260.918773803540830). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-253.315861153020734 > -272.059635458200034). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-250.522997754341361 > -273.491633856142926). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-214.362224436119362 > -243.236937685769163). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.651108140024121 > -240.687656605117269). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-210.821994609581992 > -242.217066305847595). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-128.936478965237541 > -228.798716759776397). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-251.192407217949437 > -269.411494310500984). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-182.186236443820860 > -233.551555605554825). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.166656127618950 > -237.892287901447588). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-243.883540969439906 > -273.003098988190573). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-241.080515574830457 > -267.538033272376140). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.309876350158135 > -236.168409531789962). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-220.522655689421555 > -244.259457942621253). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.472814847634368 > -241.801333736096467). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-211.899852388583554 > -241.569340084916576). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-239.103088219614847 > -241.592376526406099). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-212.568264747628632 > -243.946642562728783). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-149.898121934203004 > -151.163031465479492). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-185.116661522680431 > -185.308243316089147). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-173.349609920773332 > -175.738091240787440). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-173.527346981546259 > -175.429740918943935). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-213.217396056859883 > -241.098789259052182). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-209.950865934751249 > -241.355647122738219). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-133.118968118325256 > -290.868198677750911). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-244.472044643995076 > -271.449049897600901). You may want to try with a higher value of support_fraction (current value: 0.501).\n",
            "\n",
            "/usr/local/lib/python3.6/dist-packages/sklearn/covariance/_robust_covariance.py:170: RuntimeWarning:\n",
            "\n",
            "Determinant has increased; this should not happen: log(det) > log(previous_det) (-149.238302531030683 > -233.668129240708254). You may want to try with a higher value of support_fraction (current value: 0.500).\n",
            "\n"
          ],
          "name": "stderr"
        },
        {
          "output_type": "stream",
          "text": [
            "- EllipticEnvelope : 99.68294207284958 %\n"
          ],
          "name": "stdout"
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "F9cnFP74RsLu"
      },
      "source": [
        "from tensorflow import keras\n",
        "# Test de classification via réseaux de neurones\n",
        "\n",
        "model = keras.Sequential([\n",
        "                          keras.layers.Dense(100, activation='relu', input_shape=X_train.shape[1:]),\n",
        "                          keras.layers.Dense(50, activation='relu'),\n",
        "                          keras.layers.Dense(3, activation='softmax')\n",
        "])\n",
        "\n",
        "model.compile(loss='sparse_categorical_crossentropy',\n",
        "              optimizer='sgd',\n",
        "              metrics=['accuracy'])\n",
        "\n",
        "early_stopping = keras.callbacks.EarlyStopping(monitor='val_accuracy',\n",
        "                                               patience=5, \n",
        "                                               restore_best_weights=True)\n",
        "\n",
        "history = model.fit(X_train,\n",
        "                    y_train,\n",
        "                    epochs=100,\n",
        "                    validation_data=(X_validation,y_validation),\n",
        "                    callbacks=[early_stopping])"
      ],
      "execution_count": null,
      "outputs": []
    }
  ]
}