statsmodels.discrete.count_model.ZeroInflatedGeneralizedPoisson.hessian#

ZeroInflatedGeneralizedPoisson.hessian(params)#

Generic Zero Inflated model Hessian matrix of the loglikelihood

Parameters:
paramsarray_like

The parameters of the model

Returns:
hessndarray, (k_vars, k_vars)

The Hessian, second derivative of loglikelihood function, evaluated at params