[R] centroid based ellipse

2012-10-30 Thread Lumila Menéndez
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 sa

[R] centroid based ellipse

2012-10-30 Thread Lumila Menéndez
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 sa