Re: [R] Can I ask for the C code inside an R function using .C?

From: Francisco J. Zagmutt <gerifalte28_at_hotmail.com>
Date: Sat 14 Jan 2006 - 08:24:31 EST


Well, if you have a slow modem connection and you are an average user that doesn't want (or doesn't know how) to compile the source code, you may spend half an hour or more downloading the windows binary. Then you realize you want to see a .C function and you will have to spend another 15 to 20 minutes downloading the source tar.gz...OR you can lookup the specific function in the mentioned website in a fraction of the time. Off course, overall if you check C or Fortran functions all the time you may want to have a local copy of the source. I think is great that users have that flexibility, hence they should be aware of both options.

Cheers

Francisco

,
you may prefer just to visit a web site and see the specific function that you want to learn about, rather than waiting another 15 to 20 minutes to download the source tar.gz.

>From: "Liaw, Andy" <andy_liaw@merck.com>
>To: "'Francisco J. Zagmutt'"
><gerifalte28@hotmail.com>,Yingfu.Xie@sekon.slu.se,r-help@stat.math.ethz.ch
>Subject: RE: [R] Can I ask for the C code inside an R function using .C?
>Date: Fri, 13 Jan 2006 13:26:02 -0500
>
>Just wondering: How do people with slow connections get R? The Windows
>binary is about 25MB, while the source .tar.gz is only 13.7MB.
>
>Andy
>
>From: Francisco J. Zagmutt
> >
> >
> > If you have a slow connection and/or you don't want to
> > download the entire
> > source code you can find the sources for R on this site
> > https://svn.r-project.org/R/trunk/
> >
> > Francisco
> >
> >
> > >From: "Liaw, Andy" <andy_liaw@merck.com>
> > >To: "'Yingfu Xie'" <Yingfu.Xie@sekon.slu.se>,
> > r-help@stat.math.ethz.ch
> > >Subject: Re: [R] Can I ask for the C code inside an R
> > function using .C?
> > >Date: Fri, 13 Jan 2006 11:13:51 -0500
> > >
> > >Source code for R and all CRAN packages are on CRAN. If you
> > want the C or
> > >Fortran code used in R or add-on packages, you need to
> > download the source
> > >(the .tar.gz files). You won't see the code if you just install the
> > >binary.
> > >
> > >Andy
> > >
> > >From: Yingfu Xie
> > > >
> > > > Hello, all,
> > > >
> > > > It is a general question, but I couldn't find the answer
> > elsewhere.
> > > > I am using an R function using .C but don't understand one of its
> > > > behaviors without the C code. I am wondering the so-called 'open
> > > > source'. It doesn't include the C code together with the
> > R function,
> > > > does it? So what I want to ask is whether it is
> > justified, possible or
> > > > polite to ask for the C code behind the R function.
> > > > Sorry if I miss anything! Thank you as always!
> > > >
> > > > Regards,
> > > > Yingfu
> > > > ###########################################
> > > >
> > > > This message has been scanned by F-Secure Anti-Virus for
> > > > Mic...{{dropped}}
> > > >
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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 Received on Sat Jan 14 08:31:44 2006

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