Raise error on empty frequent itemset to association_rules

rasbt / mlxtend

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

https://rasbt.github.io/mlxtend/

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Closed rasbt closed 2 years ago

rasbt commented 2 years ago

The frequent_patterns.association_rules now raises a ValueError if an empty frequent itemset DataFrame is passed.

Fixes #496

pep8speaks commented 2 years ago

Hello @rasbt! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! :beers: