def transform_params(self, params):
        """Transform parameters of the standardized model to the original model

        Parameters
        ----------
        params : ndarray
            parameters estimated with the standardized model

        Returns
        -------
        params_new : ndarray
            parameters transformed to the parameterization of the original
            model

        """

        params_new = params / self.scale
        if self.const_idx != 'nc':
            params_new[self.const_idx] -= (params_new * self.mean).sum()

        return params_new
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tools/transform_model.py/StandardizeTransform.transform_params/original