def METHOD_NAME(self, X):
    """Transform X back to its original space.
    Returns an array X_original whose transform would be X.
    Parameters
    ----------
    X : array-like, shape (n_samples, n_components)
        New data.
    Returns
    -------
    X_original : array, shape (n_samples, n_features)
        Note that this is always a dense array.
    """
    X = check_array(X)
    return np.dot(X, self.components_)