# statsmodels.discrete.count_model.ZeroInflatedPoisson.score_obs¶

ZeroInflatedPoisson.score_obs(params)

Generic Zero Inflated model score (gradient) vector of the log-likelihood

Parameters: params (array-like) – The parameters of the model score – The score vector of the model, i.e. the first derivative of the loglikelihood function, evaluated at params ndarray, 1-D