/* Lesson 7-2 */
 /*    File Name = freq02.sas   11/22/96   */

data zenin;
  infile 'all.dat';
  input seibetsu $ shintyou taijyuu kyoui kozukai jitaku $ daigaku $;

proc format;
  value clshin low-<150='   -149'
               150-<160='150-159'
               160-<170='160-169'
               170-high='170-   '
               other   ='missing';
run;
proc freq data=zenin;
  tables shintyou;
  format shintyou clshin.;
run;

proc freq data=zenin;
  tables shintyou*seibetsu;
  format shintyou clshin.;
run;

proc freq data=zenin;
  tables shintyou*seibetsu*jitaku;
  format shintyou clshin.;
run;