statsmodels.discrete.discrete_model.NegativeBinomialP.score_obs#

NegativeBinomialP.score_obs(params)[source]#

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

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 log-likelihood function, evaluated at params