rasbt/mlxtend

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A library of extension and helper modules for Python's data analysis and machine learning libraries.

Stars: 5.2k
Forks: 916
Open beginner issues: 0
Indexed issues: 110
Avg merge: 17h 31m
Merged PRs (30d): 4

Dominant language: Python
License: No license data
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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110 open issues indexed

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

New Feature

Difficulty 3/5 1-2 days Newbie friendliness 64/100

rasbt/mlxtend#1162 · 1 reaction · Opened Apr 2, 2026
module not found Open

Question

Difficulty 2/5 1-3 hours Newbie friendliness 20/100

rasbt/mlxtend#1125 · 1 comment · Opened Apr 9, 2025
Adding mutual information metric to the association_rules() function Open

Documentation

Difficulty 4/5 3-5 days Newbie friendliness 38/100

rasbt/mlxtend#1114 · 1 comment · Opened Nov 10, 2024
New feature: association rules mining using scikit-learn pipelines Open

New Feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

rasbt/mlxtend#1105 · Opened Sep 21, 2024
StackingCVRegressor: TimeSeriesData Open

New Feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

rasbt/mlxtend#1101 · Opened Aug 6, 2024
Feature Request: Add fixed_features Parameter to sklearn Selector Open

New Feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

rasbt/mlxtend#1098 · Opened Jun 17, 2024
How to use categorical data without one hot encoding in SequentialFeatureSelector, I am receiving an error Open

Question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rasbt/mlxtend#1093 · 1 comment · Opened Apr 24, 2024
strange behavior using feature_importance_permutation with feature_groups Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rasbt/mlxtend#1092 · Opened Apr 5, 2024
combined_ftest_5x2cv: accuracy vs error rates Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rasbt/mlxtend#1086 · Opened Mar 24, 2024
Unable to find the module Open

Question

Difficulty 3/5 1-2 days Newbie friendliness 25/100

rasbt/mlxtend#1074 · 4 comments · Opened Dec 13, 2023
mlxtend sklearn preprocessing techniques Open

Question

Difficulty 4/5 3-5 days Newbie friendliness 20/100

rasbt/mlxtend#1068 · 1 comment · Opened Sep 25, 2023
nan score for StackingClassifier due to 'scoring' argument in cross_val_score Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rasbt/mlxtend#1059 · 4 comments · Opened Aug 1, 2023
build confusion matrix from frequent_patterns Open

Question

Difficulty 5/5 Over a week Newbie friendliness 30/100

rasbt/mlxtend#1054 · 1 comment · Opened Jun 29, 2023
Prediction on test set!! High Priority Open

Documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rasbt/mlxtend#1050 · Opened Jun 14, 2023
Fpgrowth fails with only one transaction Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rasbt/mlxtend#1049 · 1 comment · Opened Jun 6, 2023
Difference beetween fpgrowth and fpmax not documented Open

Documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rasbt/mlxtend#1030 · 3 comments · Opened Apr 24, 2023
create_counterfactual enhancements (minimization method and fixed features) Open

easy Enhancement help wanted

Difficulty 5/5 Over a week Newbie friendliness 30/100

rasbt/mlxtend#1029 · 1 comment · Opened Apr 18, 2023
Value of `tb` is not reproduced in documentation of mcnemar_test Open

Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

rasbt/mlxtend#988 · Opened Nov 11, 2022
Lables of checkerboard plot in example of mcnemar_table do not match the documentation Open

Documentation

Difficulty 1/5 Under an hour Newbie friendliness 45/100

rasbt/mlxtend#987 · 3 comments · Opened Nov 11, 2022
Callback for SFS Open

New Feature

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rasbt/mlxtend#983 · 1 comment · Opened Nov 8, 2022
Project dependencies may have API risk issues Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rasbt/mlxtend#979 · Opened Oct 26, 2022
association rule Open

Question

Difficulty 5/5 Over a week Newbie friendliness 20/100

rasbt/mlxtend#977 · Opened Oct 19, 2022
Squaring the bias term in the 0-1 loss decomposition Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

rasbt/mlxtend#969 · Opened Aug 29, 2022
ExhaustiveFeatureSelector(print_progress=True) doesn't do anything Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

rasbt/mlxtend#949 · 3 comments · Opened Jun 4, 2022
SequentialFeatureSelector with estimator that requires a pandas DataFrame input Open

New Feature

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rasbt/mlxtend#943 · 4 comments · Opened May 24, 2022
Update contributor guide regarding setup.py develop Open

Documentation

Difficulty 1/5 Under an hour Newbie friendliness 45/100

rasbt/mlxtend#931 · Opened May 6, 2022
Contributor guide updates Open

Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

rasbt/mlxtend#929 · Opened May 5, 2022
Add Jupyter support for black Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rasbt/mlxtend#928 · Opened May 5, 2022
Make clear that all notebooks need to be converted for mkdocs serve to work Open

Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

rasbt/mlxtend#927 · Opened May 5, 2022
Potentially remove pep8speaks Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

rasbt/mlxtend#926 · Opened May 5, 2022
Add a documentation-requirements.txt Open

Documentation

Difficulty 1/5 Under an hour Newbie friendliness 45/100

rasbt/mlxtend#924 · Opened May 4, 2022
See if doc *_files directories can be removed Open

Documentation

Difficulty 3/5 1-2 days Newbie friendliness 30/100

rasbt/mlxtend#923 · Opened May 4, 2022
Update requirements.txt and environment.yml Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rasbt/mlxtend#912 · Opened Apr 19, 2022
Presence of large baskets dramatically increases runtime (FPGrowth) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rasbt/mlxtend#909 · 1 reaction · Opened Apr 14, 2022
Evaluation Metrics to Consider Open

New Feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

rasbt/mlxtend#904 · 1 comment · Opened Mar 31, 2022
Highlighting Nearest vectors to the plane Open

New Feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

rasbt/mlxtend#903 · 1 comment · Opened Mar 26, 2022
Speed up frequent pattern mining by replacing frozensets with columns of 0/1's Open

Enhancement New Feature

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rasbt/mlxtend#898 · Opened Mar 4, 2022
Improve efficiency of association rule mining via a max_set_size parameter Open

Enhancement New Feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

rasbt/mlxtend#897 · Opened Mar 4, 2022
Update sparse array handling to run unit tests on newer pandas & scipy versions Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rasbt/mlxtend#889 · 1 comment · Opened Feb 17, 2022
Leverage returns values greater than 1 Open

Question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rasbt/mlxtend#883 · 4 comments · Opened Jan 25, 2022
DataFrame sorting for apriori, fpgrowth, and fpmax functions Open

New Feature

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rasbt/mlxtend#871 · Opened Dec 9, 2021
Ensemble Voting Regressor Open

New Feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

rasbt/mlxtend#866 · 3 comments · Opened Dec 6, 2021
Aprori- TansactionEncoder shows all df FALSE Open

Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 28/100

rasbt/mlxtend#863 · Opened Dec 5, 2021
mcnemar exact test equivalence Open

Documentation

Difficulty 1/5 Under an hour Newbie friendliness 35/100

rasbt/mlxtend#851 · Opened Oct 7, 2021
how to use new paired : bool from evaluate.permutation_test Open

Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

rasbt/mlxtend#846 · 1 comment · Opened Sep 3, 2021
association_rules new metrics Open

Enhancement New Feature

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rasbt/mlxtend#840 · 2 comments · 1 reaction · Opened Aug 12, 2021
Custom generator for models in exhaustive feature selector Open

New Feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

rasbt/mlxtend#833 · 4 comments · Opened Jun 22, 2021
Let SequentialFeatureSelector within GridSearchCV evaluate on same test split Open

New Feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

rasbt/mlxtend#829 · 1 comment · Opened Jun 9, 2021
Add documentation examples for getting meta-feature importance for stacking classifier Open

Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

rasbt/mlxtend#817 · Opened Apr 12, 2021
Small issue in mlxtend.evaluate Open

Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

rasbt/mlxtend#810 · 1 comment · Opened Mar 29, 2021

rasbt/mlxtend

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