BUG: Preserve subclassing with groupby operations#28573

Closed

alkasm wants to merge 5 commits intopandas-dev:masterfrom

alkasm:groupby-preserve-subclass

Commits on Sep 23, 2019

BUG: groupby operations should preserve DataFrame/Series subclasses
alkasm
committed

Commits on Sep 28, 2019

Minor changes and documentation bug fix
alkasm
committed

Commits on Sep 29, 2019