Re: [R] adding an ellipse to a PCA plot

2011-06-06 Thread Alain Guillet
Hi, I think the easiest way is to use the function plotellipses of the FactoMineR package (but you have to do your PCA with the PCA function included in this package). Alain On 06-Jun-11 16:32, Lukas Baitsch wrote: Hi, I created a principal component plot using the first two principal comp

Re: [R] adding an ellipse to a PCA plot

2011-06-06 Thread Lukas Baitsch
Dear John, Thanks, this actually works just fine! much easier than the ellipse-package! Lukas On Monday, June 6, 2011, John Fox wrote: > Dear Lukas, > > You might try the dataEllipse() function in the car package. > > I hope this helps, >  John > >> -Original Message- >> From: r-help-bo

Re: [R] adding an ellipse to a PCA plot

2011-06-06 Thread John Fox
Dear Lukas, You might try the dataEllipse() function in the car package. I hope this helps, John > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of Lukas Baitsch > Sent: June-06-11 10:33 AM > To: r-help@r-project.org > Subject: