statsmodels.discrete.count_model.GenericZeroInflated.hessian

GenericZeroInflated.hessian(params)[source]

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