Thank you for the help. The sort statement was in the example code I found like 4 years ago so I continued to use it.   In terms of the students, with the previous code they would just get mixed up about putting the explanatory variable and dummy codes in correctly.   So here is what I have now that allows me to test all 6 comparisons of this 4x2 chi square. Is there a more simple way to test all 6 comparisons as once?   Proc freq; tables notwanted*hinsur/chisq  nocol nopercent ; where hinsur in (1 2); Proc freq; tables notwanted*hinsur/chisq  nocol nopercent ; where hinsur in (1 3); Proc freq; tables notwanted*hinsur/chisq  nocol nopercent ; where hinsur in (1 4); Proc freq; tables notwanted*hinsur/chisq  nocol nopercent ; where hinsur in (2 3); Proc freq; tables notwanted*hinsur/chisq  nocol nopercent ; where hinsur in (2 4); Proc freq; tables notwanted*hinsur/chisq  nocol nopercent ; where hinsur in (3 4); Run; ... View more