Hi Carlos.
The edge lengths used for plotting (and thus the 'merge depths') are
completely arbitrary when none are supplied. The algorithm used to
compute the edge lengths is in the documentation for compute.brlen as
follows:
"Grafen's (1989) computation of branch lengths: each node is given
Dear list,
TL;DR: When I plot the newick tree A,B),C,D),E),(((F,G),H),I));
shouldn't ((A,B),C,D) merge at the same level as ((F,G),H)?
Or in a phylogenetic tree it doesn't matter?
library(ape)
newickTree <- read.tree(text="A,B),C),E),(((F,G),H),I));")
plot(newickTree)
goes just fine but t
Dear Klaus, Giulio, Emmanuel and Alejandro
Many thanks for your further replies. They are greatly appreciated.
These posts have clarified my misunderstandings and provided me of some
understanding of this complex issues.
I may have a follow-up question but for now, I will try out what suggested
Hi Liam,
Thanks a lot for the quick reply. The post was really useful.
Warm Regards,
Gopal M
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“A human being is a part of the whole called by us universe, a part limited
in time and space. He experiences himself, his thoughts
