Multinomial logit cumulative distribution function.
X : array
The linear predictor of the model XB.
cdf : ndarray
The cdf evaluated at X.
Notes
In the multinomial logit model. .. math:: frac{expleft(beta_{j}^{prime}x_{i}right)}{sum_{k=0}^{J}expleft(beta_{k}^{prime}x_{i}right)}
statsmodels.discrete.discrete_model.MNLogit.score_obs
statsmodels.discrete.discrete_model.MNLogit.cov_params_func_l1
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