RE: [R] Plotting Bivariate Normal Data

2004-10-25 Thread Liaw, Andy
> From: Berton Gunter > > Just a little addendum to Martin's comments below. It is well > known that > using LS centers and covariances for the M-distances is > generally not a good > way to do this, as these statistics, themselves, are > distorted by the long > "tails" (do > 1D distributions

RE: [R] Plotting Bivariate Normal Data

2004-10-25 Thread John Fox
> -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Berton Gunter > Sent: Monday, October 25, 2004 1:31 PM > To: R-Help > Subject: Re: [R] Plotting Bivariate Normal Data > > > Just a little addendum

Re: [R] Plotting Bivariate Normal Data

2004-10-25 Thread Berton Gunter
Just a little addendum to Martin's comments below. It is well known that using LS centers and covariances for the M-distances is generally not a good way to do this, as these statistics, themselves, are distorted by the long "tails" (do > 1D distributions have "tails"?) so that the problems are

RE: [R] Plotting Bivariate Normal Data

2004-10-24 Thread Martin Maechler
> "JohnF" == John Fox <[EMAIL PROTECTED]> > on Sun, 24 Oct 2004 12:37:09 -0400 writes: JohnF> Dear Sarah, If the data are allegedly bivariate JohnF> normal, then they are probably two vectors, not JohnF> one. Assuming that this is the case, I know of JohnF> nothing quit

Re: [R] Plotting Bivariate Normal Data

2004-10-24 Thread Kjetil Brinchmann Halvorsen
[R] Plotting Bivariate Normal Data Dear list I have a vector of values that allegedly have a bivariate normal distribution. I want to create a plot that shows the values I have obtained, and the bivariate normal distribution curve for the data. Is there a way of doing this in R? Man

RE: [R] Plotting Bivariate Normal Data

2004-10-24 Thread John Fox
nt: Saturday, October 23, 2004 7:34 AM > To: [EMAIL PROTECTED] > Subject: [R] Plotting Bivariate Normal Data > > > Dear list > > I have a vector of values that allegedly have a bivariate > normal distribution. > > > > I want to create a plot that shows t

[R] Plotting Bivariate Normal Data

2004-10-23 Thread sarah english
Dear list I have a vector of values that allegedly have a bivariate normal distribution. I want to create a plot that shows the values I have obtained, and the bivariate normal distribution curve for the data. Is there a way of doing this in R? Many thanks for your help, Sara