continuous.py 文件源码

def cal_prob(crosstab):
        '''
        ?????????????????c?????????(N(x=c,y=1)+p)/(N(x=c)+1)?
        crosstab????DataFrame?index????????column?y???0/1??
        ?????????????????????????
        '''
        total=crosstab.sum(axis=0)
        p=total.loc[1]/total.sum()
        N=crosstab.sum(axis=1)+1
        N1=crosstab[1]+p
        N.name=''
        N.index.name=''
        N1.name=''
        N1.index.name=''
        return dict(N1/N)