After reading the 'Inferno-ish R' the first thing that comes to mind is that R is very much like S, but it's still different (R is not S), so it can't contain the S as a programming language, as the manual says. Or I'm wrong?
2012/11/5 Patrick Burns <pbu...@pburns.seanet.com> > There is a bit of history in: > > http://www.portfolioprobe.com/**2012/05/31/inferno-ish-r/<http://www.portfolioprobe.com/2012/05/31/inferno-ish-r/> > > Pat > > > > On 05/11/2012 17:09, R. Michael Weylandt wrote: > >> 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)<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 >> >> ______________________________**________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help> >> PLEASE do read the posting guide http://www.R-project.org/** >> posting-guide.html <http://www.R-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> >> > -- > Patrick Burns > pbu...@pburns.seanet.com > twitter: @portfolioprobe > http://www.portfolioprobe.com/**blog <http://www.portfolioprobe.com/blog> > http://www.burns-stat.com > (home of 'Some hints for the R beginner' > and 'The R Inferno') > -- 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.
