stepdis1.sas

来自「SAS for Windows统计分析系统教程,里面有源码」· SAS 代码 · 共 19 行

options nodate nonumber;
filename stepdis1 'd:\sasbook\cl4.dbf';
proc dbf db3=stepdis1;
title '1. Discriminant Analysis(STEPDISC method=stepwise)';
proc stepdisc method=stepwise all;
   class c;
      var x1-x5;
run;
title '2. Discriminant Analysis(STEPDISC method=forward)';
proc stepdisc method=forward all;
   class c;
      var x1-x5;
run;
title '3. Discriminant Analysis(STEPDISC method=backward)';
proc stepdisc method=backward all;
   class c;
      var x1-x5;
run;