R: addroot: Adds a root edge ancestral to the first branching...
addroot
R Documentation
addroot: Adds a root edge ancestral to the first branching event.
Description
addroot adds a root edge ancestral to the first branching event.
Usage
addroot(tree,rootlength)
Arguments
tree
Tree of class phylo.
rootlength
Length of the root edge to be added.
Value
res
Tree of class phylo with root edge added to $edge and $edge.length (alternative is to store root edge in $root.edge as done in ape).
Author(s)
Tanja Stadler
Examples
set.seed(1)
# Simulate a tree
tree<-sim.bd.taxa(20,1,2,1,complete=FALSE,stochsampling=TRUE)
# add the root edge to the vector tree$edge and tree$edge.length
addroot(tree[[1]],tree[[1]]$root.edge)
providing 
.