On Wed, 19 Jan 2000, Amy C. Peng wrote:
> I have four quick questions about R:
I think you mean R on Windows.
> 1) Can R make a 3-dimensional rotating scatterplot?
Yes, via calls to XGobi: you need the xgobi package from CRAN and the
bits its mentions (most notably my port of XGobi itself to Windows).
Once you have done that you get a _lot_ more gra[hics capabilities.
> 2) Does R have OLE capabilities?
Um. OLE went out of use as a term a long time ago. There is a DCOM
(Active X Automation) interface: see the contributed area on CRAN.
> 3) Is it possible to create a pop-up window in R to display a message and
> allow for user input? (I know I can use readline() from the command line,
> but I just wondered if it was possible to use pop-up windows.)
Yes, but you will need to write C code and compile it in. That sort of
thing is coming, slowly.
> 4) Once an RGui is opened, can I "send" a source file to the
opened RGui
> from outside the RGui (i.e., from a DOS command or something)?
No, but you can do this sort of thing via DCOM (see 2). One day (but not
yet) you may be able to use DDE.
> I looked through the R documentation, and my guess is that the answer to
> all four questions is "No", but I wanted to ask the
"experts" to make sure
> that I wasn't missing something! Thanks for your help!
>From an overall view, your questions look as if you are looking for a
clone of S-PLUS 2000. It is not our intention to provide that, and if you
want those facilities you perhaps ought to be using S-PLUS 2000.
--
Brian D. Ripley, ripley at 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
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