Build the estimator method or function.

        Returns
        -------
        :return : string
            The built method as string.

def create_method(self):
        """
        Build the estimator method or function.

        Returns
        -------
        :return : string
            The built method as string.
        """
        temp_method = self.temp('method', skipping=True, n_indents=1)
        return temp_method.format(class_name=self.class_name,
                                  method_name=self.method_name,
                                  n_features=self.n_inputs,
                                  n_classes=self.n_outputs)