/* Lesson 4-5 */
 /*    File Name = anke05.sas   10/25/96   */

data gakusei;
  infile 'gakusei1.dat';
  input seibetsu $ shintyou taijyuu kyoui;

proc print data=gakusei;
run;
proc means data=gakusei;
   var shintyou;
run;
proc sort data=gakusei;
   by seibetsu;
run;
proc means data=gakusei;
   var shintyou;
   by seibetsu;
run;