Re: [R] error ellipse

2009-06-21 Thread Jason Morgan
On 2009.06.20 16:04:21, Alexandru T Codilean wrote: > > Dear All, > > I have a data set with the following structure: > > [A], [a], [B], [b] > > where [A] and [B] are measurements and [a] and [b] are the associated > uncertainties. I produce [B]/[A] vs. [A] plots in R and would like to > sh

[R] error ellipse

2009-06-20 Thread Alexandru T Codilean
Dear All, I have a data set with the following structure: [A], [a], [B], [b] where [A] and [B] are measurements and [a] and [b] are the associated uncertainties. I produce [B]/[A] vs. [A] plots in R and would like to show uncertainties as error ellipses (rather than error bars). Would th