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 } ) ]
)
) ;