hp2.sas

SAS for Windows统计分析系统教程,里面有源码

filename hp2 'd:\sasbook\hong1.dbf';
proc dbf db3=hp2 out=c;
title '1. 原始数据';
proc print;
run;
title '2. 对x6进行分类'；
data hp2;
  set c;
    if x6<2.00 then x6=1;
    if 2.00<=x6 and x6<3.00 then x6=2;
    If 3.00<=x6 thenx6=3;
Proc print;
Run;
Title '3. 对x6按升幂进行排序'；
Proc sort data=hp2;
  by x6;
proc print;
run;
title '4. 对x5按降幂, x6按升幂进行排序'
proc sort dta=hp2;
  by descending x5 x6;
proc print;
run;