Hi,  R development team,
 
I am trying to use PCA in labdsv package.I need to build the ordination plot from scratch. I used the following code (which is used in RDA) and I cannot get the species (variable centroids)  to the ordination plot, only I can plot sample unit scores.Can somone help me on this. 
 
pca.tr1<-pca(pca1,dim=2)
plot(pca.tr1$scores, type="n", main="plot")
text(pca.tr1$scores, display="species", col="blue", pch=16)
 
Thanks.
 
Dilshan
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