/* Lesson 9-1 */
 /*    File Name = prin01.sas   12/13/96   */

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 suu eigo;
run;
proc print data=out_prin;
run;
proc plot data=out_prin;
  plot suu*eigo;
  plot prin2*prin1/vref=0 href=0;
run;

proc sort data=out_prin;
  by prin1;
proc print data=out_prin;
run;