PERF: use groupby.transform fast path for DataFrame -> Series aggregations#45387

Merged

jreback merged 3 commits intopandas-dev:mainfrom

lukemanley:groupby-transform-fast-path

Jan 23, 2022

Commits on Jan 15, 2022

use groupby.transform fast path for DataFrame -> Series aggregations
lukemanley
committed

Commits on Jan 16, 2022

whatsnew
lukemanley
committed

Commits on Jan 22, 2022

Merge branch 'main' into groupby-transform-fast-path
jreback
authored