(self)
return util.str_model_expression(
            self.model_expression, add_constant=False)
Model expression as a string suitable for use with patsy/statsmodels.
Model expression as a string suitable for use with patsy/statsmodels.
Model expression as a string suitable for use with patsy / statsmodels .
def str_model_expression(self):
        """
        Model expression as a string suitable for use with patsy/statsmodels.

        """
        return util.str_model_expression(
            self.model_expression, add_constant=False)
def str_model_expression ( self ) : return util . str_model_expression ( self . model_expression , add_constant = False )