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2006 Mar 22
1
An lme model that works in old R.2.1.1 but not always in R.2.2.0 - why?
...sponse variables:
lme(Yresp~F1fix,random=list(const=pdBlocked(list(~F2mix-1,~Ass:F1fix-1,~F3mix-1,~F1fix:F3mix-1,~F2mix:F3mix-1),pdClass="pdIdent")))
Yresp is my response variable, F1fix is a fixed effect factor whereas
F2mix and F3mix are random effect factors.
const is set to rep(1,dim(Ycont)[1]).
The strange thing is that if an intercept is omitted (F1fix-1) the R.2.2.0
also runs a 100 %. It's the same model, just with another
parameterization??????
Niels Sommer