PROC MDC options ;
MDCDATA options ;
BOUNDS bound1 < , bound2 …> ;
BY variables ;
CLASS options ;
ID variable ;
MODEL dependent variables = regressors / options ;
NEST LEVEL(value) = ((values)@(value),…, (values)@(value)) ;
NLOPTIONS options ;
OUTPUT options ;
RESTRICT restriction1 < , restriction2 …> ;
TEST options ;
UTILITY U() = variables, …, U() = variables ;