GH24241 make Categorical.map transform nans#24275

Merged

TomAugspurger merged 5 commits intopandas-dev:masterfrom

JustinZhengBC:BUG-24241

Dec 20, 2018

Commits on Dec 13, 2018

BUG-24241 make Categorical.map transform nans
JustinZhengBC
committed

Commits on Dec 15, 2018

BUG-24241 make requested changes
JustinZhengBC
committed

Commits on Dec 19, 2018

Commits on Dec 20, 2018

BUG-24241 use np.any instead of any
JustinZhengBC
committed