Skip to content
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

Apply series name to result of SeriesGroupby.apply() #8939

Merged
merged 3 commits into from
Aug 9, 2021
Merged

Apply series name to result of SeriesGroupby.apply() #8939

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
a0c416c
Apply series name to SeriesGroupby result
charlesbluca Aug 3, 2021
9ad4ae3
Move fix to overridden apply method
charlesbluca Aug 7, 2021
9c6a115
Merge remote-tracking branch 'upstream/branch-21.10' into fix-8899
charlesbluca Aug 9, 2021
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
8 changes: 8 additions & 0 deletions python/cudf/cudf/core/groupby/groupby.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1214,6 +1214,14 @@ def agg(self, func):

return result

def apply(self, func):
result = super().apply(func)

# apply Series name to result
result.name = self.obj.name

return result


class Grouper(object):
def __init__(self, key=None, level=None):
Expand Down
10 changes: 10 additions & 0 deletions python/cudf/cudf/tests/test_groupby.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2086,3 +2086,13 @@ def test_groupby_describe(data, group):
expect = pdf.groupby(group).describe()

assert_groupby_results_equal(expect, got, check_dtype=False)


def test_groupby_apply_series_name():
def foo(x):
return x.sum()

got = make_frame(DataFrame, 3).groupby("x").y.apply(foo)
expect = make_frame(pd.DataFrame, 3).groupby("x").y.apply(foo)

assert expect.name == got.name