Re: [R] AIC extract and comparison

From: Uwe Ligges <ligges_at_statistik.tu-dortmund.de>
Date: Wed, 30 Apr 2008 09:39:06 +0200

Lisa wrote:
> Hi, I need to fit models and use AIC method to campare the best fitted model
> manually.
>
> When i extract AIC by using extractAIC, it gave me the df and AIC values.
> Now the problem is, how can I compare the AIC values from two models?
> is there anyway to extract AIC with no df so that I can compare directly?
> Thank you!
>
>> extractAIC(coxout)
> [1] 1.000 1723.038

extractAIC(coxout)[2]

Uwe

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Wed 30 Apr 2008 - 07:48:19 GMT

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