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lmez6
2012 Mar 21
1
AIC models are not all fitted to the same number of observation
Hi,
Using lme from the package nlme 3.1-103, I meet a strange warning. I am
trying to compare to models with:
library(nlme)
lmez6=lme(lepus~vulpes,random=~1|troncon/an,data=ika_z6_test)
lmez60=lme(lepus~1,random=~1|troncon/an,data=ika_z6_test)
Both have the same number of observations and groups:
lmez6
Linear mixed-effects model fit by REML
Data: ika_z6_test
Log-restricted-likelihood: -2267.756
Fixed: lepus ~ vulpes
(Intercept) vulpes
1.35017117 0.04722338
Random effe...