Skip to content

REGR: DataFrameGroupBy.transform with reducer and as_index=False returns null values #49864

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 4 commits into from
Nov 23, 2022

Conversation

rhshadrach
Copy link
Member

@rhshadrach rhshadrach added Bug Groupby Regression Functionality that used to work in a prior pandas version Apply Apply, Aggregate, Transform, Map labels Nov 23, 2022
@phofl phofl added this to the 1.5.3 milestone Nov 23, 2022
@mroeschke
Copy link
Member

Thanks @rhshadrach (ASV failure unrelated)

meeseeksmachine pushed a commit to meeseeksmachine/pandas that referenced this pull request Nov 23, 2022
…educer and as_index=False returns null values
@rhshadrach rhshadrach deleted the groupby_transform_as_index_regr branch November 24, 2022 12:56
phofl added a commit that referenced this pull request Nov 24, 2022
…with reducer and as_index=False returns null values) (#49868)

* Backport PR #49864: REGR: DataFrameGroupBy.transform with reducer and as_index=False returns null values

* Add back request

Co-authored-by: Richard Shadrach <[email protected]>
Co-authored-by: Patrick Hoefler <[email protected]>
mliu08 pushed a commit to mliu08/pandas that referenced this pull request Nov 27, 2022
…rns null values (pandas-dev#49864)

* REGR: groupby.transform with reducer returns null values

* whatsnew

* Better test
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
Apply Apply, Aggregate, Transform, Map Bug Groupby Regression Functionality that used to work in a prior pandas version
Projects
None yet
Development

Successfully merging this pull request may close these issues.

BUG: transform("max") replaces all entries with NaN when applied after groupby with as_index=False
3 participants