Hi all,
I am trying to find which are the most distinctive clades in respect to a
specific functional trait following the methodology proposed by Cornwell et
al., 2014
http://droyer.web.wesleyan.edu/Cornwell_2014_functional_distinctiveness.pdf I
am using the code which is available in GitHub
Hi Lydia,
This kind of problem happens sometimes though it's not clear why. One
possibility is that the Pagel model is not appropriate for your data.
One thing you can do is to estimate lambda by repeatedly fitting models
with fixed = TRUE for different values of lambda between 0 and 1, and
s