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atrick
2007 Mar 19
1
likelihoods in SAS GENMOD vs R glm
...ndard errors, and deviances are
identical but what we get for likelihoods differs considerably. I'm
assuming that these must differ just by some constant but it would be nice
to have some confirmation of this. I think I recall that this might have
been discussed before on this list.
> atrich01.spatial1<- glm(ATRICH ~ X_COORD_CTR + Y_COORD_CTR
,data=bigbend.rich[bigbend.rich$YEAR.==0001,],family=poisson,contrasts=list(OBSERVER="contr.sum",VISIB="contr.sum"))
> summary(atrich01.spatial1)
Call:
glm(formula = ATRICH ~ X_COORD_CTR + Y_COORD_CTR, family = poisso...