Issues

• RandomHoldoutSplit ignores stratify=False and fails for regression targets

  rasbt/mlxtend#1258 · Filter by author AryanRG opened on Oct 22, 2026

• [Security] Automated static analysis findings for rasbt/mlxtend (academic research)

  rasbt/mlxtend#1257 · Filter by author fcas opened on Oct 22, 2026

• plot_linear_regression passes scalar endpoints to scikit-learn predict

  rasbt/mlxtend#1252 · Filter by author ktz03 opened on Oct 15, 2026

• ecdf ignores its documented y_label parameter

  rasbt/mlxtend#1243 · Filter by author ktz03 opened on Oct 11, 2026

• shuffle_arrays_unison ignores random_seed=0

  rasbt/mlxtend#1239 · Filter by author ktz03 opened on Oct 10, 2026

• Add calibration tools: expected_calibration_error, TemperatureScaling, plot_reliability_diagram

  New Feature
  rasbt/mlxtend#1237 · Filter by author supriyaselvanganesan opened on Oct 10, 2026

• Add a reusable SVM-based text sentiment classifier

  New Feature
  rasbt/mlxtend#1235 · Filter by author diviiinity opened on Oct 9, 2026

• Matthews correlation overflows for large input arrays

  rasbt/mlxtend#1231 · Filter by author aalquwayfili opened on Oct 8, 2026

• feature_importance_permutation shuffles the wrong columns for list/range feature_groups

  rasbt/mlxtend#1228 · Filter by author raashish1601 opened on Oct 6, 2026

• vectorspace_dimensionality returns 0 for a one-dimensional vector set due to int() truncation

  rasbt/mlxtend#1226 · Filter by author raashish1601 opened on Oct 6, 2026

• num_combinations / num_permutations raise RecursionError for k > n and for large n

  rasbt/mlxtend#1224 · Filter by author raashish1601 opened on Oct 6, 2026

• Balanced accuracy fails for string sequences and aligns pandas labels by index

  rasbt/mlxtend#1221 · Filter by author sunlishuo25 opened on Oct 5, 2026

• EnsembleVoteClassifier rejects documented NumPy array weights during fit

  rasbt/mlxtend#1219 · Filter by author AHMETHAKANBEZIR1 opened on Oct 2, 2026

• mcnemar overflows integer contingency-table arithmetic and can report p=1 incorrectly

  rasbt/mlxtend#1217 · Filter by author AHMETHAKANBEZIR1 opened on Oct 2, 2026

• bias_variance_decomp rejects valid negative integer class labels

  rasbt/mlxtend#1215 · Filter by author AHMETHAKANBEZIR1 opened on Oct 2, 2026

• minmax_scaling ignores ranges when only one endpoint differs from default

  Bug
  rasbt/mlxtend#1209 · Filter by author Afloat16 opened on Sep 30, 2026

• standardize mutates fitted parameters for single-row transform batches

  Bug
  rasbt/mlxtend#1208 · Filter by author Afloat16 opened on Sep 30, 2026

• Make matplotlib an optional dependency for algorithm-only users - happy to PR

  New Feature
  rasbt/mlxtend#1162 · Filter by author bartolomeo3000 opened on Apr 2, 2026

• module not found

  Question
  rasbt/mlxtend#1125 · Filter by author riyalawrance opened on Apr 9, 2025
  1

• Adding mutual information metric to the association_rules() function

  Documentation
  rasbt/mlxtend#1114 · Filter by author kristianperriu opened on Nov 10, 2024
  1

• New feature: association rules mining using scikit-learn pipelines

  New Feature
  rasbt/mlxtend#1105 · Filter by author josejub opened on Sep 21, 2024

• StackingCVRegressor: TimeSeriesData

  New Feature
  rasbt/mlxtend#1101 · Filter by author tolitei opened on Aug 6, 2024

• Feature Request: Add fixed_features Parameter to sklearn Selector

  New Feature
  rasbt/mlxtend#1098 · Filter by author jckkvs opened on Jun 17, 2024

• How to use categorical data without one hot encoding in SequentialFeatureSelector, I am receiving an error

  Question
  rasbt/mlxtend#1093 · Filter by author ago302 opened on Apr 24, 2024
  1

• strange behavior using feature_importance_permutation with feature_groups

  Bug
  rasbt/mlxtend#1092 · Filter by author SebastienThibert opened on Apr 5, 2024