statsmodels.discrete.discrete_model.NegativeBinomialP.score

NegativeBinomialP.score(params)[source]

Generalized Negative Binomial (NB-P) model score (gradient) vector of the log-likelihood

Parameters:
paramsarray_like

The parameters of the model

Returns:
scorendarray, 1-D

The score vector of the model, i.e. the first derivative of the loglikelihood function, evaluated at params