API: categorical grouping will no longer return the cartesian product#20583
Merged
TomAugspurger merged 6 commits intopandas-dev:masterfrom May 1, 2018
Merged
API: categorical grouping will no longer return the cartesian product#20583TomAugspurger merged 6 commits intopandas-dev:masterfrom
TomAugspurger merged 6 commits intopandas-dev:masterfrom