CharacterInformation: Character information content

In TreeTools: Create, Modify and Analyse Phylogenetic Trees

Character information content

Description

CharacterInformation() calculates the cladistic information content \insertCiteSteel2006TreeTools of a given character, in bits. The total information in all characters gives a measure of the potential utility of a dataset \insertCiteCotton2008TreeTools, which can be compared with a profile parsimony score \insertCiteFaith2001TreeTools to evaluate the degree of homoplasy within a dataset.

Usage

CharacterInformation(tokens)

Arguments

tokens

Character vector specifying the tokens assigned to each taxon for a character. Example: c(0, 0, 0, 1, 1, 1, "?", "-"). Note that ambiguous tokens such as (01) are not supported, and should be replaced with ⁠?⁠.

Value

CharacterInformation() returns a numeric specifying the phylogenetic information content of the character (sensu \insertCiteSteel2006;nobracketsTreeTools), in bits.

Author(s)

Martin R. Smith ([e-mail])

References

\insertAllCited

See Also

Other split information functions: SplitInformation(), SplitMatchProbability(), TreesMatchingSplit(), UnrootedTreesMatchingSplit()

TreeTools documentation built on June 22, 2024, 9:27 a.m.