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I am running following phylogenetic analyses with the caper package:

data=read.table(file="data.txt",header=T,sep="\t")
tree = read.nexus("Tree.nex")
primate = comparative.data(phy=tree, data=data, 
            names.col=Species, vcv=TRUE, na.omit=FALSE, warn.dropped=TRUE)

PGLM_brain=pgls(ln_brain~ln_body,data=primate, lambda="ML")
    summary(PGLM_brain)

Now I would like the get the phylogenetic residuals of this model, which I should be able to do with the phyres function:

resbrain=phyres(PGLM_brain)

But then I get the following error message:

Error: could not find function "phyres"


Does anyone know what I'm doing wrong?


Janneke van Woerden

Janneke van Woerden

Anthropological Institute and Museum
Winterthurerstrasse 190
8057 Zurich
Tel: +41-446355424
Email: j.vanwoerden@aim.uzh.ch

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