def perform_PCA_inverse(pca, dataset_pca):
    """ Transform n-D array to back to original feature space

    Args:
        pca (object): Scikit-learn PCA object
        (n-D array) : n-D NumPy array of transformed dataset
    Returns:
        (n-D array) : n-D NumPy array of dataset inversely transformed back to original number of dimension
    """
    return pca.inverse_transform(dataset_pca)