statsmodels.discrete.count_model.ZeroInflatedPoisson.hessian

ZeroInflatedPoisson.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