Data work.bbb;
Input custid brand fee;
Cards;
1000123 1 300
1000124 2 200
1000134 3 500
1000139 2 100
1000213 3 200
;
Run;
data work.fff;
do i=1 to 5 by 2;
set work.bbb point=i;
output;
end;
stop;
run;

我想有个问题，为什么这个Do循环后要加一个Stop??