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Official repo of the TMLR 2024 paper Multitask Learning Can Improve Worst-Group Outcomes

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Multitask Learning Can Improve Worst-Group Outcomes

openreview

Table of Contents

  1. Environment
  2. Download, extract and Generate metadata for datasets
  3. Reproducing Paper Results
  4. Additional Support/Issues?
  5. Citation

Environment

We use Miniconda to manage the environment. Our Python version is 3.11.5. To create the environment, run the following command:

conda env create -f environment.yml -n mtl-group-robustness-env

To activate the environment, run the following command:

conda activate mtl-group-robustness-env

Download, Extract and Generate metadata for datasets

To downloads, extracts and formats the datasets as per the code, run the following script. This will store the data and metadata in the data folder. It already contains the civilcomments-small dataset.

python3 ./src/setup_datasets.py dataset_name --download --data_path data

Reproducing Paper Results

The ./src/hparams.yaml file includes the optimal hyperparameters for each method across all five datasets. To get started, execute the following command to generate Python scripts for training with the best hyperparameters.

python3 ./src/generate_hyper_search_scripts.py --dataset waterbirds --method erm_mt_l1

This will create a txt file in the hparams_files folder, containing the Python script for five seeds. It will also generate an executable bash file in the scripts folder. To start training run the following command:

sbatch ./scripts/train_waterbirds_erm_mt_l1_hp.sh

This will store the best results as a json file for each run in the models_params folder.

Additional Support/Issues?

If you face any issues in our code / reporducing our results raise a Github issue or contact Atharva Kulkarni (atharvak@cs.cmu.edu)

Citation

@article{
kulkarni2024multitask,
title={Multitask Learning Can Improve Worst-Group Outcomes},
author={Atharva Kulkarni and Lucio M. Dery and Amrith Setlur and Aditi Raghunathan and Ameet Talwalkar and Graham Neubig},
journal={Transactions on Machine Learning Research},
issn={2835-8856},
year={2024},
url={https://openreview.net/forum?id=sPlhAIp6mk},
note={}
}

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Official repo of the TMLR 2024 paper Multitask Learning Can Improve Worst-Group Outcomes

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