TheNeuralBit commented on a change in pull request #13843:
URL: https://github.com/apache/beam/pull/13843#discussion_r603515379
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File path: sdks/python/apache_beam/dataframe/frames_test.py
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@@ -315,6 +314,40 @@ def test_dataframe_drop_ignore_errors(self):
self._run_test(
lambda df: df.drop(index='cow', columns='small', errors='ignore'), df)
+ def test_groupby_apply(self):
+ df = GROUPBY_DF
+
+ def median_sum_fn(x):
+ return (x.foo + x.bar).median()
+
+ describe = lambda df: df.describe()
Review comment:
Yeah this is the same as `DataFrame.describe`, it's just a convenient
function to test the case where the applied fn returns a Series.
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