AncestorEdge: Ancestral edge

In TreeTools: Create, Modify and Analyse Phylogenetic Trees

Ancestral edge

Description

Ancestral edge

Usage

AncestorEdge(edge, parent, child)

Arguments

edge	Number of an edge
parent	Integer vector corresponding to the first column of the edge matrix of a tree of class phylo, i.e. tree[["edge"]][, 1]
child	Integer vector corresponding to the second column of the edge matrix of a tree of class phylo, i.e. tree[["edge"]][, 2].

Value

AncestorEdge returns a logical vector identifying whether each edge is the immediate ancestor of the given edge.

See Also

Other tree navigation: CladeSizes(), DescendantEdges(), EdgeAncestry(), EdgeDistances(), ListAncestors(), MRCA(), MatchEdges(), NDescendants(), NodeDepth(), NodeNumbers(), NodeOrder(), RootNode()

Examples

tree <- BalancedTree(6)
parent <- tree$edge[, 1]
child <- tree$edge[, 2]
plot(tree)
ape::edgelabels()
AncestorEdge(5, parent, child)
which(AncestorEdge(5, parent, child))

TreeTools documentation built on Aug. 8, 2025, 7:18 p.m.