Skip to content

Pandas pivot_table MultiIndex and dropna=False generates all combinations of modalities instead of keeping existing one only #45994

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.

Sign up for GitHub

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

Closed
wants to merge 2 commits into from
Closed

Pandas pivot_table MultiIndex and dropna=False generates all combinations of modalities instead of keeping existing one only #45994

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b63e452
fix #18030
Feb 15, 2022
b016463
restored behaviour for COLUMNS
Feb 15, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 0 additions & 6 deletions pandas/core/reshape/pivot.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -204,12 +204,6 @@ def __internal_pivot_table(
table = agged.unstack(to_unstack)

if not dropna:
if isinstance(table.index, MultiIndex):
m = MultiIndex.from_arrays(
cartesian_product(table.index.levels), names=table.index.names
)
table = table.reindex(m, axis=0)

if isinstance(table.columns, MultiIndex):
m = MultiIndex.from_arrays(
cartesian_product(table.columns.levels), names=table.columns.names
Expand Down