[R] A general question: Is language S a component part of R?

[David L Carlson]

Logic is irrelevant. You must simply embrace the FoRce.

----------------------------------------------
Obi Wan David L Carlson
Associate Professor of Anthropology
Texas A&M University
College Station, TX 77843-4352


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of R. Michael Weylandt
> <michael.weylandt at gmail.com>
> Sent: Monday, November 05, 2012 3:48 PM
> To: Iurie Malai
> Cc: r-help at r-project.org
> Subject: Re: [R] A general question: Is language S a component part of
> R?
> 
> 
> 
> On Nov 5, 2012, at 6:37 PM, Iurie Malai <iurie.malai at gmail.com> wrote:
> 
> > Thanks all!
> >
> > At least for me, the manual text has a contradiction. If R is much
> like S,
> > in other words it is a "diverged" S, as Michael says, it can't
> include
> > itself as a component part.
> 
> I'd think something like C/C++ -- the later includes the former ...
> mostly ... except where it doesn't.
> 
> Michael
> 
> >
> > Regards,
> > Iurie
> >
> >
> > 2012/11/5 R. Michael Weylandt <michael.weylandt at gmail.com>
> >
> >> On Mon, Nov 5, 2012 at 4:43 PM, Iurie Malai <iurie.malai at gmail.com>
> wrote:
> >>> In the "Introduction and preliminaries" the "An Introduction to R"
> manual
> >>> says about R: "... Among other things it has ... a well developed,
> simple
> >>> and effective programming language (Called 'S') ... ". Now I'm a
> little
> >>> confused. This means that language S is a component part of R? And
> S is
> >> not
> >>> free? But R is free? Or the mentioned S is only "a free
> implementation"
> >> of
> >>> the "true S"? Can anybody explain this? I want to know.
> >>>
> >>> Thank you!
> >>>
> >>
> >> 'S' is a language, invented at Bell Labs
> >> (http://en.wikipedia.org/wiki/S_(programming_language)) which has
> two
> >> major implementations. S-Plus, which is a commercial product, and R,
> >> which you know well.
> >>
> >> R was originally quite like S/S-Plus, but it's changed over time and
> >> diverged aways and now I believe the R README says R is 'not unlike'
> >> S.
> >>
> >> Consider, e.g., Python, which is a language (specified in
> >> documentation) with multiple implementations: CPython, PyPy, Jython,
> >> IronPython, etc. If R and S-Plus had identical functionality they
> >> would be different concrete realizations of the abstract 'S'
> language,
> >> but they're more than slightly different in practice.
> >>
> >> Not sure if that helps at all....
> >>
> >> Michael
> >>
> >
> >
> >
> > --
> > Iurie Malai
> >
> > +(373) 79288710 - Moldcell
> > +(373) 67459710 - Unite
> >
> >    [[alternative HTML version deleted]]
> >
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