TD_PORTMAN ( { SERIES-SPEC | ART_SPEC } , FUNC_PARAMS ( MAXLAG( integer ) , TEST ( { BP | LB | LM | MQ | ML } ) , DEGREES_FREEDOM ( integer ) , SIGNIFICANCE_LEVEL ( float ) [, PACF_METHOD( { LEVINSON_DURBIN | OLS } ) ] ) ) ;
TD_PORTMAN ( { SERIES-SPEC | ART_SPEC } , FUNC_PARAMS ( MAXLAG( integer ) , TEST ( { BP | LB | LM | MQ | ML } ) , DEGREES_FREEDOM ( integer ) , SIGNIFICANCE_LEVEL ( float ) [, PACF_METHOD( { LEVINSON_DURBIN | OLS } ) ] ) ) ;