statsmodels.discrete.count_model.ZeroInflatedNegativeBinomialP.hessian¶
- ZeroInflatedNegativeBinomialP.hessian(params)¶
Generic Zero Inflated model Hessian matrix of the loglikelihood
- Parameters:
- paramsarray_like
The parameters of the model
- Returns:
- hess
ndarray, (k_vars,k_vars) The Hessian, second derivative of loglikelihood function, evaluated at params
- hess