statsmodels.discrete.count_model.ZeroInflatedGeneralizedPoisson.hessian

ZeroInflatedGeneralizedPoisson.hessian(params)

Generic Zero-Inflated model Hessian matrix of the log-likelihood.

Parameters:

paramsarray_like

The parameters of the model

Returns:

hessndarray, (k_vars, k_vars)

The Hessian, second derivative of the log-likelihood function, evaluated at params