rohdesamuel commented on a change in pull request #14487:
URL: https://github.com/apache/beam/pull/14487#discussion_r612650609
##########
File path: sdks/python/apache_beam/dataframe/frames_test.py
##########
@@ -640,6 +646,26 @@ def change_index_names(df):
self._run_test(change_index_names, df)
+ @parameterized.expand((x, ) for x in [
+ 0,
+ [1],
+ 3,
+ [0, 3],
+ [2, 1],
+ ['foo', 0],
+ [1, 'str'],
+ [3, 0, 2, 1],
+ ])
+ def test_groupby_level_agg(self, level):
Review comment:
Can you also add a test for doing a groupby on a specific level with a
hierarchical index please? See
https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.groupby.html
for an example.
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