phylobase (version 0.6.8)

hasSingle: Test trees for polytomies, inline nodes, or reticulation

Description

checks to see whether trees have (structural) polytomies, inline nodes (i.e., nodes with a single descendant), or reticulation (i.e., nodes with more than one ancestor)

Usage

hasSingle(object)
hasPoly(object)
hasRetic(object)

Arguments

object

an object inheriting from class phylo4

Value

• Logical value

Examples

tree.owls.bis <- ape::read.tree(text = "((Strix_aluco:4.2,Asio_otus:4.2):3.1,Athene_noctua:7.3);")
owls4 <- as(tree.owls.bis, "phylo4")
hasPoly(owls4)
hasSingle(owls4)