Date: Thu, 26 Nov 1998 07:23:15 +0000 (GMT)
From: Prof Brian D Ripley <ripley@stats.ox.ac.uk>
To: "Yoon, Hoon (CICG - NY Program Trading)" <HYoon@exchange.ml.com>
Subject: Re: [R] Connect to Visual? and Bench Mark
In-Reply-To: <Pine.GSO.4.03.9811251454060.8591-100000@wompom.biostat.washington.edu>
On Wed, 25 Nov 1998, Thomas Lumley wrote:
> On 25 Nov 1998, Douglas Bates wrote:
>
> > >>>>> "Hoon" == "Yoon, Hoon (CICG <- NY Program Trading)" <HYoon@exchange.ml.com>> writes:
> >
> > Hoon> Is there any possible way to connect to VB, VC++, Delphi,
> > Hoon> Python, etc... to R? I am trying to put some nice GUI using
> > Hoon> something like VB and use R as a back end for computations. I
> > Hoon> search through the FAQ and help archive, but could not find
> > Hoon> any. I am willing to look at any tools on Sun/Solaris
> > Hoon> environment as well (Like C or Python or Perl). If anyone can
> > Hoon> share some examples, pls let me know. Thanks much in advance,
> >
>
> >
> > Recently Thomas Lumley announced a sockets library for R. I'm not
> > sure if that allows R to act as a server. Perhaps Thomas can comment.
>
> Yes, you could use it that way. You can set up either server or client
> sockets. It currently only passes strings over the connections, but you
> can always use parse() then eval() to evaluate them.
>
>
> You might also be able to replace the input and output code in
> src/unix/system.c or the event loop in src/windows/wincons.c
If you want to do this on Windows, the latest version of Guido Masarotto's
R port has the R engine as a DLL and two specimen (but very useful) front
ends. It looks very easy to mimic these to call into that DLL from any of
the Windows systems (VB, VC++, Delphi) you mention, although as this
development is so new, I doubt if anyone has tried it yet. You can of
course build a special-purpose version of that DLL with additional hooks if
you need it. (This is essentially a pre-packed version of Thomas'
suggestion.)
-- Brian D. Ripley, ripley@stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._