unique.multiPhylo

0th

Percentile

Revomes Duplicate Trees

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

Keywords
manip
Usage
## S3 method for class 'multiPhylo':
unique(x, incomparables = FALSE,
        use.edge.length = FALSE,
        use.tip.label = TRUE, ...)
Arguments
x
an object of class "multiPhylo".
incomparables
unused (for compatibility with the generic).
use.edge.length
a logical specifying whether to consider the edge lengths in the comparisons; the default is FALSE.
use.tip.label
a logical specifying whether to consider the tip labels in the comparisons; the default is TRUE.
...
further arguments passed to or from other methods.
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

Aliases
  • unique.multiPhylo
Examples
TR <- rmtree(50, 4)
length(unique(TR)) # not always 15...
howmanytrees(4)
Documentation reproduced from package ape, version 3.2, License: GPL (>= 2)

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