This function determines whether a network is tree-child

isTreeChild(net)

Arguments

net

A phylogenetic network of class evonet.

Value

A logical that is TRUE if the network is tree-child

Details

A phylogenetic network is said to be tree-child if all internal nodes have at least one tree-like or leaf node as children.

Examples

net<- read.net(text= "((A:7,((B:2,C:2):3)#H1:2::0.6):3,(D:6,#H1:1::0.4):4);")
isTreeChild(net) ##returns TRUE
#> [1] TRUE