Hi,
If you have a single tree (object of class "phylo")
phy$root.edge <- 0
If there are several trees in your NEXUS file (then phy is of class
"multiPhylo"):
for (i in seq_along(phy)) phy[[i]]$root.edge <- 0
Best,
Emmanuel
Le 07/02/2017 à 13:17, Yan Wong a écrit :
Sorry if this is a trivial question, but I have some (rooted) nexus trees with
polytomies at the root. When I read them in using read.nexus() they are treated
as unrooted. What’s the easiest way to tell R that they are intended to be
rooted, even though the root is a polytomy? There’s no ‘force.rooted’ option to
any of the tree reading routines that I can see.
Cheers
yan
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