[R] scatter3d

[Uwe Ligges]

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).

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]]
>     >       >
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