I am trying to do a very simple FH test using a very simple 3X3 test using SAS 9.4. When I try a 2X2 table and the chi-square test it works but my 3X3 table just gets populated with ones after running the proc freq and I get wrong answers. Here is my code:
input outcome $ msgroup $ count;
inc PT 6
inc FT 11
inc surg 12
dec PT 3
dec FT 4
dec surg 2
unch PT 8
unch FT 2
unch surg 3
proc freq data=mydata;
tables outcome*msgroup / chisq exact;
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