statsmodels.discrete.discrete_model.GeneralizedPoisson.hessian#
- GeneralizedPoisson.hessian(params)[source]#
Generalized Poisson model Hessian matrix of the log-likelihood.
- Parameters:
- paramsarray_like
The parameters of the model
- Returns:
- hess
ndarray, (k_vars,k_vars) The Hessian, second derivative of the log-likelihood function, evaluated at params
- hess