On Tue, 18 Oct 2005, Jungyeon Yoon wrote: > I've been trying to understand biplot. From > getAnywhere(biplot.default), I could get the source code. However, there > is one line that did make sense to me. It's the second line from the > bottom. > > arrow(0, 0, y[,1]*0.8, y[,2]*0.8, col = col[2],....) > > I don't understand why there is a multiplication by 0.8 for y.
Try it without to see. It is to help the aesthetics of the plot. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html