pythonsklearncategory-encodersfeature-engineeringafter-work
category-encoders 2.11 after work: MultiHotEncoder + CountTargetEncoder
category-encoders ≥2.11.1 adds MultiHotEncoder (delimiter multi-label cells → binary columns) and CountTargetEncoder (smoothed log-odds target encoding). Fit supervised encoders inside CV folds. Not a data-validation Top5 retread. Not investment advice.