[R] AUC for logistic regression [was: (no subject)]

[Liaw, Andy]

My guess is `area under the ROC curve'.  There's the roc package in
BioConductor that I believe can compute this.

Andy


> From: Spencer Graves
> 
>       What's AUC?  If you mean AIC (Akaike Information 
> Criterion), and 
> if you fit logistic regression using "glm", the help file 
> says that glm 
> returns an object of class "glm", which is a list containing 
> among other 
> things an attribute aic.  For example, suppose you fit a 
> model as follows: 
> 
>       fit <- glm(y~x, famil=binomial()...)
> 
>       Then fit$aic returns the AIC. 
> 
>       You may also wish to consider anova and anova.glm. 
> 
>       hope this helps.  spencer graves
> 
> rrouzier at mdanderson.org wrote:
> 
> >Dear R-helper,
> >
> >I would like to compare the AUC of two logistic regression 
> models (same 
> >population). Is it possible with R ?
> >
> >Thank you
> >
> >Roman Rouzier
> >	[[alternative HTML version deleted]]
> >
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> 
> -- 
> 
> Spencer Graves, PhD, Senior Development Engineer
> O:  (408)938-4420;  mobile:  (408)655-4567
> 
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