[R] plotting data with ellipse confidence intervals

[Peter Ehlers]

On 2010-07-05 7:48, web reg wrote:
> Hi,
> I would like to plot a set of paired means (as X Y data) with unique
> confidence intervals for each (creating a set of ellipses, each with it's
> own centre point and shape).
> Would appreciate any advice out there!
> Cheers,
> Ged
>

If you have only the means, then you can't
plot CIs and ellipses.

If you have the original paired data, then
have a look at the car::ellipse function and
friends.

   -Peter Ehlers