def summary_statistics(factor_data: pd.DataFrame) -> pd.DataFrame:
storage = []
for name, group in factor_data['factor'].groupby('date'):
content = descriptivestats.describe(group).T
content.index = [name]
storage.append(content)
cross_section_info = pd.concat(storage)
return cross_section_info
def test_describe(df):
pd.testing.assert_frame_equal(describe(df), Description(df).frame)