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-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of R. Michael Weylandt > <michael.weyla...@gmail.com> > Sent: Monday, November 05, 2012 3:48 PM > To: Iurie Malai > Cc: r-help@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.ma...@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.weyla...@gmail.com> > > > >> On Mon, Nov 5, 2012 at 4:43 PM, Iurie Malai <iurie.ma...@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]] > > > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
