Hello After performing a pca of morphometric variables and a scatterplot of the first 2 principal components, using the package latticeExtra, I tried to draw the ellipses representing one sigma from the centroid for each sample, but the function panel.ellipse draws the ellipses around 95% of the sample. Does anyone know a function to draw a centroid based ellipse?
Cheers, Lumila -- Lumila Paula Menéndez Licenciada en Antropología División Antropología-Museo de La Plata. Universidad Nacional de La Plata. http://www.evomorfologica.com.ar/ http://unlp.academia.edu/LumilaPm ______________________________________________ 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.