/* Lesson 9-4 */
 /*    File Name = prin04.sas   12/13/96   */

data tyuuichi;
  infile 'shintai.dat';
  input shintyou taijyuu kyoui zakou;

proc print data=tyuuichi;
run;
proc princomp data=tyuuichi out=out_prin;
run;
proc print data=out_prin;
run;
proc plot data=out_prin;
  plot prin2*prin1/vref=0 href=0;
  plot prin3*prin2/vref=0 href=0;
  plot prin3*prin1/vref=0 href=0;
run;