OUT= names and creates the output data set. NOPRINT suppresses the printing
of the procedure output. OUTNOEQUAL includes only observations that are judged
unequal. OUTBASE writes an observation to the output data set for each observation
in the base data set. OUTCOMP writes an observation to the output data set
for each observation in the comparison data set. OUTDIF writes an observation
to the output data set that contains the differences between the two observations.
out=result outnoequal outbase outcomp outdif
noprint;