Issues

• RareLabelEncoder fails when replacement label already exists in categorical dtype

  feature-engine/feature_engine#1095 · Filter by author AHMETHAKANBEZIR1 opened on Oct 1, 2026

• MeanEncoder automatic smoothing produces NaN for a constant target

  feature-engine/feature_engine#1093 · Filter by author AHMETHAKANBEZIR1 opened on Sep 30, 2026

• add space before : in docstrings

  feature-engine/feature_engine#1059 · Filter by author solegalli opened on Sep 18, 2026

• Decide where helper functions that belong to one class should live

  feature-engine/feature_engine#1054 · Filter by author solegalli opened on Sep 18, 2026

• Add an out-of-fold target encoder (OOFMeanEncoder)

  feature-engine/feature_engine#1050 · Filter by author hx-max opened on Sep 16, 2026

• Migration to Narwhals: Add Polars Support

  feature-engine/feature_engine#992 · Filter by author solegalli opened on Aug 24, 2026
  1

• EuroPython sprints

  feature-engine/feature_engine#935 · Filter by author solegalli opened on Jul 4, 2026
  1

• Add drop parameter to OneHotEncoder to control which dummy category is dropped

  feature-engine/feature_engine#913 · Filter by author direkkakkar319-ops opened on Mar 8, 2026
  4

• make CountFrequencyEncoder not raise an error with unseen categories during transform

  feature-engine/feature_engine#909 · Filter by author direkkakkar319-ops opened on Mar 8, 2026
  1

• revise the use of missing_only in AddMissingIndicartors

  feature-engine/feature_engine#905 · Filter by author solegalli opened on Mar 4, 2026
  1

• make CategoricalImputer not raise an error with multimodal variables

  feature-engine/feature_engine#904 · Filter by author solegalli opened on Mar 4, 2026
  1

• DropHighPSIFeatures support for missing values?

  feature-engine/feature_engine#883 · Filter by author PaulZhutovsky opened on Jan 15, 2026
  5

• Add split_col (as a series/array) as optional argument to the fit method of DropHighPSIFeatures

  feature-engine/feature_engine#860 · Filter by author ClaudioSalvatoreArcidiacono opened on May 21, 2025
  3

• expand probe feature selection to compare discrete variables to discrete probes and continuous variables to continuous probes

  feature-engine/feature_engine#847 · Filter by author solegalli opened on Feb 3, 2025
  2

• expand probe feature selection to derive importance with additional methods

  feature-engine/feature_engine#845 · Filter by author solegalli opened on Feb 3, 2025
  1

• Request to use polars dataframe package directly

  feature-engine/feature_engine#809 · Filter by author jnhyeon opened on Sep 2, 2024
  5

• Add a Binarizer class

  feature-engine/feature_engine#790 · Filter by author d-lazenby opened on Aug 14, 2024
  1

• radial basis function

  feature-engine/feature_engine#764 · Filter by author solegalli opened on May 16, 2024
  1

• implement partial_fit

  feature-engine/feature_engine#691 · Filter by author solegalli opened on Sep 11, 2023
  3

• add test to ensure estimators raise errors when X has duplicated column names

  feature-engine/feature_engine#687 · Filter by author david-cortes opened on Jul 25, 2023
  8

• Add semi_month to Datetime Features

  feature-engine/feature_engine#685 · Filter by author candalfigomoro opened on Jul 19, 2023
  2

• New feature: Lag or windows features grouped by

  feature-engine/feature_engine#668 · Filter by author scardonal opened on May 19, 2023
  1

• Limit the level of class inherintance to two.

  feature-engine/feature_engine#616 · Filter by author Morgan-Sell opened on Feb 25, 2023
  2

• Encoding ordinal variables

  feature-engine/feature_engine#613 · Filter by author david-cortes opened on Feb 3, 2023
  9

• random sample imputer individual seed may not be working as expected

  feature-engine/feature_engine#601 · Filter by author solegalli opened on Jan 21, 2023
  1