def transform_jacobian(self, unconstrained, approx_centered=False):
        return approx_fprime(unconstrained, self.transform_params,
                             centered=approx_centered)
Jacobian matrix for the parameter transformation function
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tsa/statespace/mlemodel.py/MLEModel.transform_jacobian