ts to True
        Attempt to convert dates to Pandas datetime values.  Note that
        some rarely used SAS date formats may be unsupported.
    blank_missing : bool, defaults to True
        Convert empty strings to missing values (SAS uses blanks to
        indicate missing character variables).
    chunksize : int, defaults to None
        Return SAS7BDATReader object for iterations, returns chunks
        with given number of lines.
    encoding : str, 'infer', defaults to None
        String encoding acc. to Python standard encodings,
        encoding='infer' tries to detect the encoding from the file header,
        encoding=None will leave the data in binary format.
    convert_text : bool, defaults to True
        If False, text variables are left as raw bytes.
    convert_header_text : bool, defaults to True
        If False, header text, including column names, are left as raw
        bytes.
    r3