SAS程序如下：
data work.totalsales;
set work.monthlysales(keep=year product sales);
retain monthsales{12};
array monthsales{12};
do i=1 to 12;
monthsales{i}=sales;
end;
ent+1;
monthsales{ent}=sales;
run;
这题的答案为什么是“The program fails execution due to syntax errors”
有谁能帮我解答一下。真的太感谢了。
周末愉快！
