statsmodels.discrete.discrete_model.GeneralizedPoisson.hessian

GeneralizedPoisson.hessian(params)

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)