Re: [R] accessing source code in R packages

From: ronggui.wong <042045003_at_fudan.edu.cn>
Date: Thu 22 Sep 2005 - 12:03:45 EST

>R is open source. You can download the source code from CRAN.
>
>If you mean at the R prompt, usually you see the code for a function by
>typing the name of the function at the R prompt, without parentheses.
>`Usually' because some methods are delibrately `hidden' from users, and
>should only be accessed through their generics. There are still ways to get
>around that.
sometimes,the getS3method is helpfull.

>library(MASS)
> princomp.default

Error: object "princomp.default" not found
> getS3method("princomp","default")
function (x, cor = FALSE, scores = TRUE, covmat = NULL, subset = rep(TRUE,

    nrow(as.matrix(x))), ...)
{
----snip----

>
>However, the code you get at the R prompt is not the _source_, as it does
>not contain any original comments. You need to go to the source I refer to
>above.
>
>Andy
>
>> From: ritesh@pdx.edu
>>
>> Hi,
>>
>> I am new the R world and would like to know how can I access
>> source codes of
>> standard functions in R?
>>
>> Thanks,
>> Ritesh.
>>
>> ______________________________________________
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>> PLEASE do read the posting guide!
>> http://www.R-project.org/posting-guide.html
>>
>>
>>
>
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        崑

撰                                    
        ronggui.wong
        042045003@fudan.edu.cn
          2005-09-22



______________________________________________

R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Sep 22 12:08:13 2005

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