7.10.1.22. statsmodels.stats.diagnostic.normal_ad¶

statsmodels.stats.diagnostic.normal_ad(x, axis=0)[source]¶

Anderson-Darling test for normal distribution unknown mean and variance

Parameters:	x : array_like data array, currently only 1d
Returns:	ad2 : float Anderson Darling test statistic pval : float pvalue for hypothesis that the data comes from a normal distribution with unknown mean and variance