[R] Source code for "extractAIC"?

[Liaw, Andy]

Isn't this in the FAQ?

Try:


> methods("extractAIC")
[1] extractAIC.aov*     extractAIC.coxph*   extractAIC.glm*
extractAIC.lm*     
[5] extractAIC.negbin*  extractAIC.survreg*

    Non-visible functions are asterisked

Then use getAnywhere() or getS3method() to get the particular one you're
interested in.

Andy

> From: Yu Shao
> 
> Dear R users:
> 
> I am looking for the source code for the R function 
> extractAIC. Type the 
> function name doesn't help:
> 
>  > extractAIC
> function (fit, scale, k = 2, ...)
> UseMethod("extractAIC")
> <environment: namespace:stats>
> 
> And when I search it in the R source code, the best I can 
> find is in (R 
> source root)/library/stats/R/add.R:
> 
> extractAIC <- function(fit, scale, k = 2, ...) UseMethod("extractAIC")
> 
> 
> Could anyone point out to me where I can its source code? And my R 
> version is:
> 
>  > version
>           _
> platform sparc-sun-solaris2.9
> arch     sparc
> os       solaris2.9
> system   sparc, solaris2.9
> status
> major    1
> minor    9.0
> year     2004
> month    04
> day      12
> language R
> 
> 
> Thanks,
> 
> -- 
> Yu Shao
> Bioinformatics Group, Wadsworth Research Center
> New York State Department of Health
> 
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