test_resample.py 文件源码

def test_period_with_agg(self):

        # aggregate a period resampler with a lambda
        s2 = pd.Series(np.random.randint(0, 5, 50),
                       index=pd.period_range('2012-01-01',
                                             freq='H',
                                             periods=50),
                       dtype='float64')

        expected = s2.to_timestamp().resample('D').mean().to_period()
        result = s2.resample('D').agg(lambda x: x.mean())
        assert_series_equal(result, expected)