/* Lesson 6-4 */
 /*    File Name = anke04.sas   05/29/97   */

data gakusei;
  infile 'taikaku.dat';
  input seibetsu $ shintyou taijyuu kyoui;

proc print data=gakusei(obs=10);
run;
proc means data=gakusei;
   var shintyou taijyuu;
run;
proc sort data=gakusei;
   by seibetsu;
run;
proc means data=gakusei;
   var shintyou taijyuu;
   by seibetsu;
run;