def inverse_transform(self, X):
        """Transform data 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, where n_samples in the number of samples
            and n_components is the number of components.

        Returns
        -------
        X_original array-like, shape (n_samples, n_features)

        Notes
        -----
        If whitening is enabled, inverse_transform does not compute the
        exact inverse operation of transform.
        """
        check_is_fitted(self, "mean_")

        if self.whiten:
            return (
                da.dot(
                    X,
                    np.sqrt(self.explained_variance_[:, np.newaxis]) * self.components_,
                )
                + self.mean_
            )
        else:
            return da.dot(X, self.components_) + self.mean_
Transform data 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, where n_samples in the number of samples
            and n_components is the number of components.

        Returns
        -------
        X_original array-like, shape (n_samples, n_features)

        Notes
        -----
        If whitening is enabled, inverse_transform does not compute the
        exact inverse operation of transform.