Number of distinct splits

Source: R/tree_properties.R

NSplits() counts the unique bipartition splits in a tree or object.

NSplits(x)

NPartitions(x)

# S3 method for phylo
NSplits(x)

# S3 method for list
NSplits(x)

# S3 method for multiPhylo
NSplits(x)

# S3 method for Splits
NSplits(x)

# S3 method for numeric
NSplits(x)

# S3 method for character
NSplits(x)

Arguments

x

A phylogenetic tree of class phylo; a list of such trees (of class list or multiPhylo); a Splits object; a vector of integers; or a character vector listing tips of a tree, or a character of length one specifying a tree in Newick format.

Value

NSplits() returns an integer specifying the number of bipartitions in the specified objects, or in a binary tree with x tips.

See also

Other tree properties: ConsensusWithout(), NTip(), SplitsInBinaryTree(), TipLabels(), TreeIsRooted()

Other Splits operations: NTip(), SplitsInBinaryTree(), TipLabels(), TipsInSplits(), as.Splits(), match()

Author

Martin R. Smith (martin.smith@durham.ac.uk)

Examples

NSplits(8L)

#> [1] 5
NSplits(PectinateTree(8))

#> [1] 5
NSplits(as.Splits(BalancedTree(8)))

#> [1] 5