Build the estimator class.

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

def create_embedded_class(self, method):
        """
        Build the estimator class.

        Returns
        -------
        :return : string
            The built class as string.
        """
        temp_class = self.temp('embedded.class')
        return temp_class.format(class_name=self.class_name,
                                 method_name=self.method_name, method=method,
                                 n_features=self.n_features)