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Oops, left that out. Here it is as text and an attached file.
You will have to do
library(ape)
and maybe
library(phangorn)
...ahead of time (hopefully not others...)
chainsaw - function(tr, timepoint=10)
{
# Take a tree and saw it off evenly across a certain
Dear R-sig-phylo users,I have a question regarding comparative analyses of contrasts done with the functions fitContinuous() and pic() compared to using PGLS (using the gls() function).From my understanding the first method involving pic() below fits alpha (estimated using fitContinuous()) to each
Hi Nick.
For your first (simple) problem, I believe you want to do:
read.csv(file=Mason_data.csv,row.names=1)-smdata
Regarding the more complicated issue, the problem of non-independence in
linear regression comes in the residual error of the model. Thus, you
should fit a correlation
Hi Roger,
Can you provide a reproducible example (perhaps a subset of your tree and their
tip and node ages if the tree is very large)? I don't know what the problem
could be without the data, but perhaps Gene knows?
Scott
On Wednesday, July 13, 2011 at 10:57 PM, Roger Close wrote:
Hello