how to fix beta value for a variable un a genmod

[pajcu15]

Hi

I would like to fix a beta value for a specific variable un a genmod procedure.

Thank you.

[JacobSimonsen]

You can do it by create an offset.

Lets say you have a two covarites A and B. And you know that the value corresponding to  "B"  is 2.

data mydata;

  set mydata;

....

  myoffset=2*B;

run;

proc genmod data=mydata;

  y=A/offset=myoffset;

run;