proc model不大清楚,可以通过proc qlim实现
data ex;
array x(6);
do i=1 to 100;
do j=1 to 6;
x(j)=ranuni(0);
end;
y1=0.1*x1+0.2*x2+0.3*x3+rannor(0);
y2=0.2*x4+0.2*x5+0.3*x6+rannor(0);
output;
end;
drop i j;
run;
proc qlim data=ex;
model y1=x1 x2 x3;
model y2=x3 x4 x5;
test y1.x1=y2.x3*2/wald;
run;