smyazh12 发表于 2015-9-6 05:19
你好,能简单改一下程序, 把index加进去吗?非常感谢
我的SAS程序如下
/* SAS ADV 63 */
/* Question 51 */
data work.temp;
infile cards;
input Id $ Amount;
cards;
P 52
P 45
A 13
A 56
R 34
R 12
R 78
;
run;
proc sql;
create index id
on work.temp(id);
quit;
title 'by id';
proc print data=work.temp;
by Id;
run;