R depends on all of those things to run, but you only have to use those
programs through R. The software depends on these other tools, but the human
doesn't have to switch interfaces.

Tom!

On Fri, Feb 27, 2009 at 9:22 PM, Gabor Grothendieck <ggrothendieck@gmail.com
> wrote:

> On Fri, Feb 27, 2009 at 8:53 AM, Frank E Harrell Jr
> <f.harrell@vanderbilt.edu> wrote:
> > Ajay ohri wrote:
> >>
> >> Sometimes for the sake of simplicity, SAS coding is created like that.
> One
> >> can use the concatenate function and drag and drop in an simple excel
> sheet
> >> for creating elaborate SAS code like the one mentioned and without any
> time
> >> at all.
> >
> > A system that requires Excel for its success is not a complete system.
>
> To be fair R depends on perl (although this dependence seems to be
> decreasing
> lately and possibly will be eliminated), latex and a bunch of unix
> tools.  Developing
> GUIs depends on tcl/tk or other external system and developing fast code
> can require that some of it be written in C.
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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