Category Encoders: a scikit-learn-contrib package of transformers for encoding categorical data

Python Submitted 01 March 2026Published 26 August 2026
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Editor: @fangzhou-xie (all papers)
Reviewers: @mbsuraj (all reviews), @jungtaekkim (all reviews)

Authors

William D. McGinnis (0000-0002-3009-9465), Chapman Siu (0000-0002-2089-3796), Andre Silva (0000-0001-5104-0465), Hanyu Huang (0000-0001-8503-1014), Jan Motl (0000-0002-0388-3190), Kaspar Paul Westenthanner (0009-0007-4284-3953), Jonathan Castaldo (0009-0001-2553-5920)

Citation

McGinnis et al., (2026). Category Encoders: a scikit-learn-contrib package of transformers for encoding categorical data. Journal of Open Source Software, 11(124), 10645, https://doi.org/10.21105/joss.10645

@article{McGinnis2026, doi = {10.21105/joss.10645}, url = {https://doi.org/10.21105/joss.10645}, year = {2026}, publisher = {The Open Journal}, volume = {11}, number = {124}, pages = {10645}, author = {McGinnis, William D. and Siu, Chapman and Silva, Andre and Huang, Hanyu and Motl, Jan and Westenthanner, Kaspar Paul and Castaldo, Jonathan}, title = {Category Encoders: a scikit-learn-contrib package of transformers for encoding categorical data}, journal = {Journal of Open Source Software} }
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