The data set FATCOMP contains hypothetical data for a case-control study of high fat diet and the risk of coronary heart disease. The data are recorded as cell counts instead of as one observation per subject. The variable Count contains the frequencies for each exposure and response combination. 
data fatcomp;
   input Exposure Response Count;
   label response='Heart Disease';
   datalines;
0 0 6
0 1 2
1 0 4
1 1 11
;