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Add CatBoost support for TreeExplainer #381

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Add CatBoost support for TreeExplainer #381

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@IsaH57 IsaH57 commented May 12, 2025

The request adds a conversion logic for CatBoost classifier and regressor, as well as according tests

@IsaH57 IsaH57 linked an issue May 12, 2025 that may be closed by this pull request
Cat Boost Support for TreeExplainer #97
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IsaH57 commented Jun 4, 2025

Current problems:

  • Shapley cannot deal with class_label = 1 in test_catboost_clf
  • Shapley returns different baseline values or nan in test_catboost_clf
  • Shapley values differ in classification task (maybe due to calculation of probabilities in catboost.py ?)
  • Baseline values do not match

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Cat Boost Support for TreeExplainer

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@IsaH57 @mmschlk