data political;
input gender party count @@;
cards;
1 1 279 1 2 73 1 3 225  2 1 165 2 2 47  2 3 191
;

proc format;
value genderfm 1='female' 2='male';
value partyfm 1='democrat' 2='independent' 3='republic';

proc freq;
 weight count;
 tables gender*party/chisq expected;

 format gender genderfm. party partyfm.;

Title 'Example of Test of Homogeneity';

run;