statsmodels.discrete.discrete_model.GeneralizedPoisson.hessian

GeneralizedPoisson.hessian(params) [source]

Generalized Poisson model Hessian matrix of the loglikelihood

Parameters:	params (array-like) – The parameters of the model
Returns:	hess – The Hessian, second derivative of loglikelihood function, evaluated at params
Return type:	ndarray, (k_vars, k_vars)