utility.py 文件源码

def __init__(self, stat, null, df, df_denom=None, name=None):
        self._stat = stat
        self._null = null
        self.df = df
        self.df_denom = df_denom
        self._name = name
        if df_denom is None:
            self.dist = chi2(df)
            self.dist_name = 'chi2({0})'.format(df)
        else:
            self.dist = f(df, df_denom)
            self.dist_name = 'F({0},{1})'.format(df, df_denom)