/* Lesson 14-2 */
 /*    File Name = prin02.sas   10/09/97   */

options linesize=72 pagesize=20;

data tyuuni;
  infile 'seiseki.dat';
  input koku sya suu rika eigo;

proc print data=tyuuni;
run;
proc princomp cov data=tyuuni out=out_prin;
  var koku sya suu rika eigo;
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;