Thanks a lot John. Thanks a lot everybody! I guess that I just need an ellipsoid, not contour... in 3D, ...
How do I do that most conviniently and efficiently given that I have the covarance matrix for the gaussian density... On 2/2/06, John Fox <[EMAIL PROTECTED]> wrote: > > Dear Michael, > > Some time ago, I posted to r-help a solution to a problem very close to > this, which adapts the scatter3d() function in the Rcmdr package so that > it > plots concentration ellipsoids. You'll find the code at > <http://finzi.psych.upenn.edu/R/Rhelp02a/archive/61156.html>. > > I hope this helps, > John > > -------------------------------- > John Fox > Department of Sociology > McMaster University > Hamilton, Ontario > Canada L8S 4M4 > 905-525-9140x23604 > http://socserv.mcmaster.ca/jfox > -------------------------------- > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Michael > > Sent: Thursday, February 02, 2006 3:39 AM > > To: R-help@stat.math.ethz.ch > > Subject: [R] is there a way to visualize 3D normal distributions? > > > > Hi all, > > > > How do I visualize a contour of a tri-variate normal distribution? > > > > I just like to see the ellipsoid very much. I hope there is a > > easy way or existing method in R. > > > > Thank you a lot! > > > > Michael. > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@stat.math.ethz.ch mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide! > > http://www.R-project.org/posting-guide.html > > [[alternative HTML version deleted]] ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html