[R] How do I compare 47 GLM models with 1 to 5 interactions and unique combinations?

Bert Gunter gunter.berton at gene.com
Thu Jan 26 22:56:22 CET 2012


Simple question. 8 million pages in the statistical literature of
answers. What, indeed, is the secret to life?

Post on a statistical help list (e.g. stats.stackexchange.com). This
has almost nothing to do with R. Be prepared for an onslaught of often
conflicting "wisdom."

-- Bert

On Thu, Jan 26, 2012 at 1:25 PM, Jhope <jeanwaijang at gmail.com> wrote:
> I ask the question about when to stop adding another variable even though it
> lowers the AIC because each time I add a variable the AIC is lower. How do I
> know when the model is a good fit? When to stop adding variables, keeping
> the model simple?
>
> Thanks, J
>
> --
> View this message in context: http://r.789695.n4.nabble.com/How-do-I-compare-47-GLM-models-with-1-to-5-interactions-and-unique-combinations-tp4326407p4331848.html
> Sent from the R help mailing list archive at Nabble.com.
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.



-- 

Bert Gunter
Genentech Nonclinical Biostatistics

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