is.binary.tree

0th

Percentile

Test for Binary Tree

This function tests whether a phylogenetic tree is binary, i.e. whether every node (including the root node) has exactly two descendant nodes. In this case the number of edges in the tree equals 2 n - 2 where n is the number of taxa (tips) in the tree.

Keywords
logic
Usage
is.binary.tree(phy)
Arguments
phy
phylogenetic tree (i.e. an object of class "phylo").
Value

  • is.binary.tree returns TRUE if tree is a fully binary phylogenetic tree, otherwise it returns FALSE.

See Also

read.tree, is.ultrametric, multi2di

Aliases
  • is.binary.tree
Examples
data("hivtree.newick") # example tree in NH format
tree.hiv <- read.tree(text = hivtree.newick) # load tree

is.binary.tree(tree.hiv)

plot(tree.hiv)

unlink("hivtree.phy") # delete the file "hivtree.phy"
Documentation reproduced from package ape, version 2.6-3, License: GPL (>= 2)

Community examples

Looks like there are no examples yet.