William,
Yes, the different PCM models make very different statements about
what is happening biologically in your data. Additionally, the three
Pagel parameters are not always easy to interpret biologically. Carl
Boettiger has some particularly lucid thoughts on Pagel's lambda:
Hello, I would like to ask for an advice:
I am using the function aov.phylo () in Geiger package (Garland, 1993), to
run a phylogenetic ANOVA. I have had collected data in literature, and I
am using trees from the birdtree.org web site (for bird phylogenies).
My difficulty is: How can I perform
