Quartet (version 1.4.0)

ResolvedQuartets: Count resolved quartets

Description

Counts how many quartets are resolved or unresolved in a given tree, following Brodal2013;textualQuartet.

Usage

ResolvedQuartets(tree, countTriplets = FALSE)
ResolvedTriplets(tree)

Value

ResolvedQuartets() returns a vector of length two, listing the number of quartets (or triplets) that are [1] resolved; [2] unresolved in the specified tree.

Arguments

tree

A tree of class phylo.

countTriplets

Logical; if TRUE, the function will return the number of triplets instead of the number of quartets.

Functions

• ResolvedTriplets(): Convenience function to calculate the number of resolved/unresolved triplets.

Author

Martin R. Smith ([email protected])

Details

Trees with more than 477 leaves risk encountering integer overflow errors, as the number of quartets is larger than can be stored in R's signed 32-bit integer representation. If warnings are thrown, check subsequent calculations for errors.

References

See Also

Other enumeration: AllQuartets(), CompareQuartets(), CompareQuartetsMulti()

Examples

data(sq_trees)

ResolvedTriplets(sq_trees$collapse_some)
# Equivalent to:
ResolvedQuartets(sq_trees$collapse_some, countTriplets = TRUE)

vapply(sq_trees, ResolvedQuartets, integer(2))