Ok... so, in my model my "a" is built using the standard deviation of the first principal component and "b" with the second, so my "x" and "Y" should be : PCA $ scores [, 1], PCA $ scores [, 2] but in this way I do not get out a confidence interval set on my parameters but many ellipses.
Thanks Mary -- View this message in context: http://r.789695.n4.nabble.com/Ellipse-in-PCA-with-parameters-a-and-b-defined-tp4656215p4656242.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
