Hi, You should post it at in: SAS Statistical Procedures and proc genmod can do Poisson Regression . Check it :http://support.sas.com/kb/24/188.html data x; input Game Success Attempts; cards; 1 4 5 2 5 11 3 5 14 4 5 12 5 2 7 6 7 10 7 6 14 8 9 15 9 4 12 10 1 4 11 13 27 12 5 17 13 6 12 14 9 9 15 7 12 16 3 10 17 8 12 18 1 6 19 18 39 20 3 13 21 10 17 22 1 6 23 3 12 ; run; proc genmod data=x; model success=Attempts/dist=p link=log type1 type3; run; data y; set x; ln=log(Attempts); run; proc genmod data=y; model success=/ dist=poisson link=log offset=ln;=ln; run; Xia Keshan Message was edited by: xia keshan
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