[R] 3D plotting in R
Simon Blomberg
Simon.Blomberg at anu.edu.au
Fri Sep 19 09:00:38 CEST 2003
I can reccommend ggobi.
http://www.ggobi.org/
Install the binary standalone, and the Rggobi package for R (both are from the above site). Works fine for me on Windows 2000, R 1.7.1.
Cheers,
Simon.
Simon Blomberg, PhD
Depression & Anxiety Consumer Research Unit
Centre for Mental Health Research
Australian National University
http://www.anu.edu.au/cmhr/
Simon.Blomberg at anu.edu.au +61 (2) 6125 3379
> -----Original Message-----
> From: Richard A. O'Keefe [mailto:ok at cs.otago.ac.nz]
> Sent: Friday, 19 September 2003 3:41 PM
> To: r-help at stat.math.ethz.ch
> Subject: [R] 3D plotting in R
>
>
> A student is trying to cluster some data. Tree-building
> things seem to
> be pretty hopeless (we've tried most of the ones in R, I think).
> Multi-dimensional scaling produces somewhat tantalising results:
> things do clump together somewhat, but the clusters overlap a lot.
> I was wondering if these was an artefact of squeezing it down to 2D,
> and whether 3D might be better. So
> loc <- cmdscale(dist(scale(log(data))), k=3)
> plot(loc)
> _but_ I still get a 2D plot.
>
> I know about persp(), and a bunch of other things in R that give me
> a 3d view of a 2d field (plots of a function of 2 arguments, in other
> words). But I want to plot a bunch of 3D points and label them.
>
> If the worst comes to the worst, I'll dump them out in a file and use
> XLispStat to view them.
>
> I've asked previously whether there's a spinning plot in R,
> and have been
> told that there isn't and why. I've been given one anyway,
> but it calls
> Tcl/Tk, and for some reason that doesn't work in my setup.
>
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