ape (version 3.1-4)

unique.multiPhylo: Revomes Duplicate Trees

Description

This function scans a list of trees, and returns a list with the duplicate trees removed. By default the labelled topologies are compared.

Usage

## S3 method for class 'multiPhylo':
unique(x, incomparables = FALSE,
        use.edge.length = FALSE,
        use.tip.label = TRUE, ...)

Value

an object of class "multiPhylo" with an attribute "old.index" indicating which trees of the original list are similar (the tree of smaller index is taken as reference).

See Also

all.equal.phylo, unique for the generic R function, read.tree, read.nexus

Examples

TR <- rmtree(50, 4)
length(unique(TR)) # not always 15...
howmanytrees(4)