[R] how to draw an ellipse

2005-08-18 Thread Guillaume Allain
That's probably a stupid question, but I'm looking for a low-level command which plots ellipse, specifying only center and deformation axes. The purpose is to illustrate bivariates gaussians with 2D .95 confident levels without using any specific library. Thanxs for your help, Guillaume

Re: [R] how to draw an ellipse

2005-08-18 Thread Ben Bolker
Guillaume Allain guillaume.allain at cbconseil.com writes: That's probably a stupid question, but I'm looking for a low-level command which plots ellipse, specifying only center and deformation axes. The purpose is to illustrate bivariates gaussians with 2D .95 confident levels without

Re: [R] how to draw an ellipse

2005-08-18 Thread Romain Francois
Le 18.08.2005 15:45, Guillaume Allain a écrit : That's probably a stupid question, but I'm looking for a low-level command which plots ellipse, specifying only center and deformation axes. The purpose is to illustrate bivariates gaussians with 2D .95 confident levels without using any specific

Re: [R] how to draw an ellipse

2005-08-18 Thread Barry Rowlingson
Romain Francois wrote: Why don't you want to use any specific library ? You can't reinvent the wheel !! True, but Madonna is always reinventing herself... There is a package ellipse on CRAN which will do what you are looking for. Have you tried RSiteSearch(ellipse) its simple

Re: [R] how to draw an ellipse

2005-08-18 Thread Guillaume Allain
Congratulations guys, you made my day better and funnier! Le 18 août 05, à 17:31, Barry Rowlingson a écrit : Romain Francois wrote: Why don't you want to use any specific library ? You can't reinvent the wheel !! True, but Madonna is always reinventing herself... There is a package