Incidence matrix of a tree.

incidence.matrix computes the incidence matrix T of a tree : for a lineage i and a branch b, T[i,b]=1 if b is in the lineage i, and 0 otherwise.

incidence.matrix(phylo)

Arguments

phylo

a phylogenetic tree, class phylo.

Value

Matrix of incidence, size Nedge x ntaxa.

See also

incidence.matrix.full