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ENH Warn when expanding columns with many categories #26

Merged
merged 1 commit into from
Mar 2, 2018
Merged

ENH Warn when expanding columns with many categories #26

merged 1 commit into from
Mar 2, 2018

Commits on Mar 1, 2018

  1. ENH Warn when expanding columns with many categories 

    Users sometimes forget to exclude columns with large numbers of categories (for example, a dataset index, or a free text response field). Give them a warning so that it's easier to diagnose if this causes errors later. The threshold is a class attribute to allow users to modify it if desired (but it's not a constructor parameter because they shouldn't want to modify it often, if ever).
    Stephen Hoover committed Mar 1, 2018
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