Hacktoberfest 2026: the issues maintainers tagged for October, open and beginner-friendly. Browse Hacktoberfest issues

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  • Pandas preprocessor does not create the counter feature
    Open

    Difficulty 2/5 1-3 hours Newbie friendliness 62/100

    rvandewater/YAIB#214 · 1 comment ·

    Maintainers usually reply within 3 days

  • Logistic Regression Model Not converging
    Open

    Difficulty 2/5 1-3 hours Newbie friendliness 50/100

    rvandewater/YAIB#182 · 2 comments ·

    Maintainers usually reply within 3 days

  • Proposing a new prediction task: Causative Pathogen Identification before culture results
    Open

    Difficulty 5/5 Over a week Newbie friendliness 12/100

    rvandewater/YAIB#179 · 2 comments ·

    Maintainers usually reply within 3 days

  • Possible Bug: Scaled MAE in Regression Tasks
    Open

    Difficulty 3/5 1-2 days Newbie friendliness 28/100

    rvandewater/YAIB#178 · 1 comment ·

    Maintainers usually reply within 3 days

  • PyPOTS applies additional amputation
    Open
    help wanted

    Difficulty 3/5 1-2 days Newbie friendliness 30/100

    rvandewater/YAIB#162 · 1 comment ·

    Maintainers usually reply within 3 days

  • **Optimize `__getitem__` method using more Polars operations**
    Open

    Difficulty 3/5 Half a day Newbie friendliness 40/100

    rvandewater/YAIB#158 ·

    Maintainers usually reply within 3 days

  • creating a Polars-based version of `ImputationPandasDataset`
    Open

    Difficulty 4/5 3-5 days Newbie friendliness 18/100

    rvandewater/YAIB#157 ·

    Maintainers usually reply within 3 days

  • Automatically infer variables in a dataset
    Open
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    rvandewater/YAIB#154 ·

    Maintainers usually reply within 3 days

  • Memory optimisation for Temporal Fusion Transformer
    May be free again @youssefmecky96 claimed this 874 days ago, and no pull request is open. Open

    rvandewater/YAIB#146 · 1 assignee ·

    Maintainers usually reply within 3 days

  • Add cross-correlation as imputation evaluation metric
    Open
    enhancement

    Difficulty 3/5 1-2 days Newbie friendliness 35/100

    rvandewater/YAIB#143 ·

    Maintainers usually reply within 3 days

  • Model Calibration
    Open
    enhancement

    Difficulty 3/5 1-2 days Newbie friendliness 40/100

    rvandewater/YAIB#97 ·

    Maintainers usually reply within 3 days

  • Evaluate replacing argsparse with abseil e.g. cpu_training flag
    Open
    enhancement

    Difficulty 5/5 Over a week Newbie friendliness 12/100

    rvandewater/YAIB#92 ·

    Maintainers usually reply within 3 days

  • Write tests for train and evaluate
    Open
    enhancement

    Difficulty 3/5 1-2 days Newbie friendliness 45/100

    rvandewater/YAIB#90 ·

    Maintainers usually reply within 3 days

  • Add Sampling Options
    Open
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 30/100

    rvandewater/YAIB#67 ·

    Maintainers usually reply within 3 days

  • Preprocessed-data cache is not invalidated when preprocessing code changes
    Possibly taken @rvandewater claimed this 3 days ago. Open

    Difficulty 1/5 Under an hour Newbie friendliness 25/100

    rvandewater/YAIB#211 ·

    Maintainers usually reply within 3 days

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