REF/BUG/API: factorizing categorical data#19938

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jreback merged 14 commits intopandas-dev:masterfrom TomAugspurger:categorical-factorize

Mar 15, 2018

Commits on Feb 28, 2018

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Commits on Mar 14, 2018

Merge remote-tracking branch 'upstream/master' into categorical-factorize
TomAugspurger
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