

def hessian(self, params):
    '\n        Compute the Hessian at params,\n\n        Notes\n        -----\n        This is a numerical approximation.\n        '
    return approx_hess_cs(params, self.loglike, args=(False,))

dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tsa/arima_model.py ARMA.hessian/original