[R] Fit elipse to xy scatter

Dieter Menne dieter.menne at menne-biomed.de
Sun Jul 24 10:31:53 CEST 2011

DrCJones wrote:
> hat I would like to do is fit an elipse to two lines of identity (at right
> angles to each other), as indicated in the following figure:
> http://imageshack.us/photo/my-images/30/poincareplotwip.png/


or, for a robust version using cov.trob(MASS)



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