feat: add pandas DataFrame/Series support to bias_variance_decomp#1166
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rasbt merged 1 commit intoMay 20, 2026
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Code of Conduct
I have read and agree to follow the mlxtend Code of Conduct.
Description
This PR adds native support for pandas DataFrame and Series inputs to
bias_variance_decomp, replacing the previous behavior of raising aValueError.DataFrame and Series inputs are now automatically converted to numpy arrays internally, allowing users to integrate the function seamlessly into pandas-based workflows.
Related issues or pull requests
Closes #1070.
Pull Request Checklist
./docs/sources/CHANGELOG.mdfile./mlxtend/*/testsdirectoriesmlxtend/docs/sources/(not applicable)pyteston the modified test file — all 5 relevant tests pass (test_keras skipped, requires tensorflow)