- 1. Equation of a Confidence Ellipse (score: 1)
- Author: Kyle Armstrong <kyle@biota.net.au>
- Date: Mon, 10 Mar 2003 16:25:53 +0800
- I am at my wits end trying to solve this. I would like to know if S-plus or any other program can provide the equation of a confidence ellipse, or at least information that I can easily build this e
- /archives/html/s-news/2003-03/msg00066.html (7,885 bytes)
- 2. Re: Equation of a Confidence Ellipse (score: 1)
- Author: Spencer Graves <spencer.graves@PDF.COM>
- Date: Mon, 10 Mar 2003 07:21:09 -0800
- 2*log(likelihood ratio) is approximately chi-square. For the (multivariate) normal distribution with known (co)variance (matrix), this is exact and becomes the following: t(x.bar-mu) %*% Sigma.x.bar.
- /archives/html/s-news/2003-03/msg00067.html (9,950 bytes)
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