Dear Uwe, > -----Original Message----- > From: Uwe Ligges [mailto:lig...@statistik.tu-dortmund.de] > Sent: October 3, 2015 3:24 PM > To: Jeff Tostenrude <climberj...@gmail.com>; Fox, John <j...@mcmaster.ca> > Cc: r-help@r-project.org; Duncan Murdoch <murdoch.dun...@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 <j...@mcmaster.ca > > <mailto:j...@mcmaster.ca>> wrote: > > > > Dear Jeff, > > > > > -----Original Message----- > > > From: Jeff Tostenrude [mailto:climberj...@gmail.com > <mailto:climberj...@gmail.com>] > > > Sent: October 2, 2015 11:46 PM > > > To: Fox, John <j...@mcmaster.ca <mailto:j...@mcmaster.ca>> > > > Cc:r-help@r-project.org <mailto:r-help@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 <j...@mcmaster.ca > <mailto:j...@mcmaster.ca> > > > <mailto:j...@mcmaster.ca <mailto:j...@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-boun...@r-project.org > > <mailto:r-help- > boun...@r-project.org> > > <mailto:r-help- <mailto:r-help-> > > >boun...@r-project.org <mailto:boun...@r-project.org>> ] On Behalf Of > > Jeff > > > > Tostenrude > > > > Sent: October 2, 2015 7:34 PM > > > > To:r-help@r-project.org <mailto:r-help@r-project.org> > > <mailto:r-help@r-project.org <mailto:r-help@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@r-project.org <mailto:R-help@r-project.org> > > <mailto:R-help@r-project.org <mailto:R-help@r-project.org>> mailing > > list -- To > > > UNSUBSCRIBE and more, see > > > > https://stat.ethz.ch/mailman/listinfo/r-help > > > > PLEASE do read the posting guide > > http://www.R-project.org/posting- > > > guide.html > > > > and provide commented, minimal, self-contained, > > reproducible code. > > > > > > > > > > ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
