Re: [R] An AIC model selection question

2008-10-02 Thread Ben Bolker
Uwe Ligges statistik.tu-dortmund.de> writes: > > > Christoph Scherber wrote: > > Dear R users, > > > > Assume I have three models with the following AIC values: > > > > modelAICdf > > model1 -102 > > model2-125 > > model3-112 > > > > Obviously, model2 would be

Re: [R] An AIC model selection question

2008-10-02 Thread Uwe Ligges
Christoph Scherber wrote: Dear R users, Assume I have three models with the following AIC values: modelAICdf model1 -102 model2-125 model3-112 Obviously, model2 would be preferred, but it "wastes" 5 df compared to the other models. Would it be allowed to se

[R] An AIC model selection question

2008-10-02 Thread Christoph Scherber
Dear R users, Assume I have three models with the following AIC values: model AIC df model1 -10 2 model2 -12 5 model3 -11 2 Obviously, model2 would be preferred, but it "wastes" 5 df compared to the other models. Would it be allowed to select model3 instead, simply becaus