zorro2004 发表于 2016-4-18 10:30 
换个说法,我有一组变量,用summary对这组变量做了求和,现在我想把求和结果匹配到每个观测,以计算每条观 ...
There is no need to use merge procedure.
data new_name; set old_name; sum_of_var= sum(var); run;
then the sum would be shown in every obs.
I cannot type Chinese using this laptop. Sorry.