def cdf(self, X):
        eXB = np.column_stack((np.ones(len(X)), np.exp(X)))
        return eXB/eXB.sum(1)[:,None]
Multinomial logit cumulative distribution function.
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/discrete/discrete_model.py/MNLogit.cdf