[R] scatter3d
Jeff Tostenrude
climberjeff at gmail.com
Tue Oct 6 00:20:51 CEST 2015
So once I commented out 12 lines of code in the scatter3d function it
plotted just the planes, as desired. Thanks for the help!
On Sat, Oct 3, 2015 at 12:50 PM, Fox, John <jfox at mcmaster.ca> wrote:
> Dear Uwe,
>
> > -----Original Message-----
> > From: Uwe Ligges [mailto:ligges at statistik.tu-dortmund.de]
> > Sent: October 3, 2015 3:24 PM
> > To: Jeff Tostenrude <climberjeff at gmail.com>; Fox, John <jfox at mcmaster.ca
> >
> > Cc: r-help at r-project.org; Duncan Murdoch <murdoch.duncan at gmail.com>
> > Subject: Re: [R] scatter3d
> >
> >
> >
> > On 03.10.2015 17:53, Jeff Tostenrude wrote:
> > > Thank you for the advice, I will try you suggestions on Monday.
> > >
> > > Uwe, by interactive I just mean the ability to spin the plot.
> >
> > If you can calculate the planes by some functions, I reall suggest to use
> > functions from rgl that are able to plot planes (rather than points).
>
> Indeed, this is what scatter3d() does -- plots regression surfaces,
> including planes, along with points. One approach, as I suggested, is
> simply to get rid of the points, and plot just the regression surfaces.
>
> Best,
> John
>
> >
> > Best,
> > Uwe Ligges
> >
> > >
> > > On Sat, Oct 3, 2015 at 7:07 AM, Fox, John <jfox at mcmaster.ca
> > > <mailto:jfox at mcmaster.ca>> wrote:
> > >
> > > Dear Jeff,
> > >
> > > > -----Original Message-----
> > > > From: Jeff Tostenrude [mailto:climberjeff at gmail.com
> > <mailto:climberjeff at gmail.com>]
> > > > Sent: October 2, 2015 11:46 PM
> > > > To: Fox, John <jfox at mcmaster.ca <mailto:jfox at mcmaster.ca>>
> > > > Cc:r-help at r-project.org <mailto:r-help at r-project.org>
> > > > Subject: Re: [R] scatter3d
> > > >
> > > > Thank you for the suggestion. Yes, it does seem to be a bit
> counter-
> > intuitive, but
> > > > that is the output I am being asked to produce. I have only been
> using R for
> > a
> > > > few weeks, so there is probably a better way to do it.
> > > >
> > > > Anyway, your suggestion did work, but only up to 337 data
> points. I am
> > dealing
> > > > with ~100,000 data points so this doesn't really work for me. Is
> there
> > another
> > > > method you would suggest? My goal is to plot multiple regression
> planes
> > > > (without points) in an interactive 3d plot.
> > >
> > > I don't think that you said in your initial posting that you have
> so
> > > many points.
> > >
> > > The scatter3d() function in the car package uses functions in the
> > > rgl package to draw 3D scatterplots. As Uwe Ligges and Duncan
> > > Murdoch have pointed out, you can use the rgl package directly to
> > > make your graph. One approach would be to adapt the scatter3d()
> > > code, removing the part of the code that plots the points.
> > >
> > > As Duncan points out, scatter3d(), which was initially written a
> > > long time ago, uses both older rgl.*() functions and newer, and in
> a
> > > sense better-behaved, *3d() functions in the rgl package, which
> > > isn't recommended. Because scatter3d() works properly, I haven't
> > > changed that (maybe I should). If you write your own function or
> > > script, you can take Duncan's advice and use only the *3d()
> functions.
> > >
> > > Best,
> > > John
> > >
> > > >
> > > > Thank you,
> > > > Jeff
> > > >
> > > > On Fri, Oct 2, 2015 at 5:22 PM, Fox, John <jfox at mcmaster.ca
> > <mailto:jfox at mcmaster.ca>
> > > > <mailto:jfox at mcmaster.ca <mailto:jfox at mcmaster.ca>> > wrote:
> > > >
> > > >
> > > > Dear Jeff,
> > > >
> > > > I'm tempted to say that a scatterplot without points is an
> oxymoron,
> > but
> > > > that wouldn't be very helpful.
> > > >
> > > > Actually, the scatter3d() function used by the Rcmdr is in
> the car
> > > > package. The Rcmdr 3D scatterplot dialog doesn't provide for
> suppressing
> > the
> > > > points, but if you add radius=rep(0, n) to the command that's
> generated,
> > where
> > > > you'd replace n with the number of cases in the dataset, that
> would do the
> > trick
> > > > by plotting spheres of 0 radius. For example, try
> > > >
> > > > scatter3d(prestige ~ income + education,
> data=Duncan,
> > > > radius=rep(0, 45), residuals=FALSE)
> > > >
> > > > either in the Rcmdr or at the R command prompt.
> > > >
> > > > For more information see ?scatter3d or press the Help
> button in the
> > > > Rcmdr 3D scatterplot dialog and follow the link to scatter3d.
> > > >
> > > > I hope this helps,
> > > > John
> > > >
> > > > -----------------------------
> > > > John Fox, Professor
> > > > McMaster University
> > > > Hamilton, Ontario
> > > > Canada L8S 4M4
> > > > Web: socserv.mcmaster.ca/jfox
> > > <http://socserv.mcmaster.ca/jfox> <http://socserv.mcmaster.ca/jfox
> >
> > > >
> > > >
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: R-help [mailto:r-help-bounces at r-project.org
> <mailto:r-help-
> > bounces at r-project.org>
> > > <mailto:r-help- <mailto:r-help->
> > > >bounces at r-project.org <mailto:bounces at r-project.org>> ] On
> Behalf Of
> > > Jeff
> > > > > Tostenrude
> > > > > Sent: October 2, 2015 7:34 PM
> > > > > To:r-help at r-project.org <mailto:r-help at r-project.org>
> > > <mailto:r-help at r-project.org <mailto:r-help at r-project.org>>
> > > > > Subject: [R] scatter3d
> > > > >
> > > > > I am using scatter3d in R Commander to plot a group of
> regression
> > > > surfaces.
> > > > > However, I only want to display the surfaces. How do I
> remove the
> > > > points?
> > > > >
> > > >
> > > > > [[alternative HTML version deleted]]
> > > > >
> > > > > ______________________________________________
> > > > > R-help at r-project.org <mailto:R-help at r-project.org>
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> > > > > PLEASE do read the posting guide
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> > > > > and provide commented, minimal, self-contained,
> > > reproducible code.
> > > >
> > > >
> > >
> > >
>
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