Project KAF

This repo stores my custom solutions. KAF stands for Kazım Anıl Functions.

Functions Included

auto_rep.R

• Replaces an old value with a new value in many columns from a specified data.table.
• By 2018-08-31, it can also handle NA valus at high speed as well.

clean_ws.R

• If there are entries with more than one spaces in a text column, this function reduces the amount of spaces to 1.
• Replace empty rows with "NA" or "NULL" values.

clean_post.R

• Cleans up tweets and instagram posts.

clean_tokens.R

• Helps to clean tokens with specified rules from texts.

dist_calc.R

• Distance Calculator based on Latitude & Longitude of two locations.

f1score.R

• Calculates F1 Score using Precision and Recall values.
• Calculates F1 Score using True Positive, False Positive and False Negative values.

haftaningunu.R

• Returns the day of the week in Turkish.

kNN.R

• Optimizes k value for k-Nearest-Neighbours algorithm given a training set.

NaiveBayes_Calculator.R

• Makes a baseline prediction based on the training set using Naive Bayes algorithm.

one_hot.R

• Automatically encodes character / factor columns into dummy variables.

prime_number_detector.R

• A brute-force algorithm which finds out prime numbers until the given limit.

time_dif.R

• Calculates the seconds difference between two dates in HH:MM:SS format.

Themes Included

GGPlot2 Theme: An .R file which has my default ggplot2 schema.

RMD_Template for R Markdown:A .RMd file which stores the default settings for a R Markdown document.

TeX Template for R Markdown: A .tex file which stores the default settings for my PDF outputs from R Markdown files.

HTML Template for R Markdown: A .CSS file which stores the default settings for my HTML outputs from R Markdown files.