- data have1;
- y =7; n =347;
- log_n = log(347);
- run;
- ods select Estimates;
- proc genmod;
- model y=/dist =poisson offset =log_n;
- estimate 'rate' intercept 1/exp;
- run;
Mean Mean L'Beta Standard
Label Estimate Confidence Limits Estimate Error Alpha
rate 0.0202 0.0096 0.0423 -3.9034 0.3780 0.05
Exp(rate) 0.0202 0.0076 0.05
Contrast Estimate Results
L'Beta Chi-
Label Confidence Limits Square Pr > ChiSq
rate -4.6442 -3.1626 106.66 <.0001
Exp(rate) 0.0096 0.0423
but I dont think this is exact poisson regression either, while you can count on SAS 9.22 for the newly implemented Exact method in Genmod