statsmodels.discrete.count_model.GenericZeroInflated.score_obs¶
method
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GenericZeroInflated.
score_obs
(params)[source]¶ Generic Zero Inflated model score (gradient) vector of the log-likelihood
Parameters: params : array-like
The parameters of the model
Returns: score : ndarray, 1-D
The score vector of the model, i.e. the first derivative of the loglikelihood function, evaluated at params