Apply warping_function to some Input data

        Parameters
        ----------
        X : array_like, shape = (n_samples, n_features)

        test_data: bool, optional
            Default to False, should set to True when transforming test data

def transform_data(self, X, test_data=False):
        """Apply warping_function to some Input data

        Parameters
        ----------
        X : array_like, shape = (n_samples, n_features)

        test_data: bool, optional
            Default to False, should set to True when transforming test data
        """
        return self.warping_function.f(X, test_data)