enization) or one of {'bert', 'distilbert'}
                            tokenization and preprocessing for use with
                            BERT/DistilBert text classification model.
    encoding (str):        character encoding to use. Auto-detected if None
    lang (str):            language.  Auto-detected if None.
    sep(str):              delimiter for CSV (comma is default)
    is_regression(bool):  If True, integer targets will be treated as numerical targets instead of class IDs
    random_stat