test_panel4d.py 文件源码

def test_sem(self):
        def alt(x):
            if len(x) < 2:
                return np.nan
            return np.std(x, ddof=1) / np.sqrt(len(x))
        self._check_stat_op('sem', alt)

    # def test_skew(self):
    #     from scipy.stats import skew

    #     def alt(x):
    #         if len(x) < 3:
    #             return np.nan
    #         return skew(x, bias=False)

    #     self._check_stat_op('skew', alt)