[R] Draw ellipses in S-PLUS or R?

Martin Maechler maechler at stat.math.ethz.ch
Wed Oct 23 16:31:42 CEST 2002

>>>>> "RobG" == Robert Gentleman <rgentlem at jimmy.harvard.edu>
>>>>>     on Wed, 23 Oct 2002 09:29:11 -0400 writes:

    RobG> Isn't there a package called ellipse ??

yes {as, I say so at the end of my posting}.
But it doesn't do what the ellipsePoints() I posted did :

Draw an ellipse from *geometrical* parameters.
It "only" draws  (confidence like) ellipses specified by mean
and covariance matrix.

Martin Maechler <maechler at stat.math.ethz.ch>	http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum  LEO C16	Leonhardstr. 27
ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
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