TD_DIFF ( { SERIES_SPEC ( time_series ) | ART_SPEC ( TABLE_NAME ( time_series_table )) }, FUNC_PARAMS ( LAG (integer), DIFFERENCES (integer), SEASONAL_MULTIPLIER (integer) ) );
TD_DIFF ( { SERIES_SPEC ( time_series ) | ART_SPEC ( TABLE_NAME ( time_series_table )) }, FUNC_PARAMS ( LAG (integer), DIFFERENCES (integer), SEASONAL_MULTIPLIER (integer) ) );