[R] biplot_group_colours_and_point_symbols

From: Indermaur Lukas <Lukas.Indermaur_at_eawag.ch>
Date: Tue, 29 Jul 2008 17:28:15 +0200

i am seeking for a solution to create a biplot that shows: a) data points instead of labels and that b) shows two different groups (field: site with two factor levels: forest/corridor) in different colours  

i tried to include "pch=19" to show points instead of labels in the syntax below but failed.  

biplot(model, main="", iter=0.1, cex=c(0.3,1.2), col=c(1,2))

i appreciate any hint.  

best regards,

Lukas Indermaur, PhD student
eawag / Swiss Federal Institute of Aquatic Science and Technology ECO - Department of Aquatic Ecology
Überlandstrasse 133
CH-8600 Dübendorf

Phone: +41 (0) 71 220 38 25
Fax : +41 (0) 44 823 53 15
Email: lukas.indermaur_at_eawag.ch
www.lukasindermaur.ch <http://www.lukasindermaur.ch/>      

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