不懂你的意思...呵呵

忽略我上面的帖子吧。这样就对了。我想错了。非常感谢

data temp;
input id y;
cards;
1 104.932
2 107.732
3 103.121
4 103.340
5 104.653
6 101.401
7 95.430
8 98.784
9 102.981
10 98.921
11 94.178
12 90.831
13 98.756
14 93.079
15 99.559
16 99.036
17 98.258
18 90.956
19 89.173
20 89.344
;
run;

proc sort data=temp out=temp1;
by  descending y;
run;

data temp2;
        set temp1;
        retain sum_y 0;
        sum_y=sum_y+y;
run;

data temp3(drop=sum_y);
        set temp2;
        sum_y1=sum_y-y;
run;

proc sort data=temp3 out=temp4;
by id;
run;