Poisson model score (gradient) vector of the log-likelihood
params : array-like
The parameters of the model
score : ndarray, 1-D
The score vector of the model, i.e. the first derivative of the loglikelihood function, evaluated at params
Notes
where the loglinear model is assumed
statsmodels.discrete.discrete_model.Poisson.predict
statsmodels.discrete.discrete_model.NegativeBinomial
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