major and minor axes are calculated to get the surface of the 95% confidence ellipse anyway
the orientation could be calculated from the loadings...
the simplest I found was using acos on the x coordinate:
(acos(pc$loadings[1,1])/pi)*180
where pc is the output of prcomp()
major and minor axes are calculated to get the surface of the 95% confidence ellipse anyway
the orientation could be calculated from the loadings...
the simplest I found was using acos on the x coordinate:
(acos(pc$loadings[1,1])/pi)*180
where pc is the output of prcomp()