statsmodels.discrete.count_model.ZeroInflatedPoisson.score_obs¶
- ZeroInflatedPoisson.score_obs(params)¶
Generic Zero Inflated model score (gradient) vector of the log-likelihood
- Parameters:
- paramsarray_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
- score