search for: tp3551694p3551760

Displaying 1 result from an estimated 1 matches for "tp3551694p3551760".

2011 May 26
1
ordiellipse
Hi Users, I am trying to plot 95% confidence ellipses around the 4 groupings found in a PCA ordination and identified a-priori by clustering. I am using ordiellipse to plot the ellipses and it works fine except one of my groups contains only 2 sites and I cannot get an ellipse around them. I'm assuming that 2 points is not enough to perform the relevant calculations here, however I would like