I guess you have the binary distribution, not the R source code.
The functions you want seem to be defined in the files dchisq.c and dnchisq.c in
https://svn.r-project.org/R/trunk/src/nmath/
2009/1/17 zhijie zhang <rusers...@gmail.com>:
> Dear all,
> I want to see the source codes for "dchisq(x, df, ncp=0, log = FALSE)",
> but cannot find it.
> I input "dchisq" in the R interface, and then enter, the following message
> return:
>> dchisq
> /*****************************************************/
> function (x, df, ncp = 0, log = FALSE)
> {
> if (missing(ncp))
> .Internal(dchisq(x, df, log))
> else .Internal(dnchisq(x, df, ncp, log))
> }
> <environment: namespace:stats>
> /*****************************************************/
> It seems that dchisq() is the internal function in STATS package. So go
> to "C:\Program Files\R\R-2.7.2\library\stats" to look for it. I browsed the
> files in this catalog, but it seems that i missed it.
> Anybody can tell me how and where to find the codes, Thanks a lot.
>
> [[alternative HTML version deleted]]
>
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>
--
Felix Andrews / 安福立
http://www.neurofractal.org/felix/
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