Computes the \(\delta\) score

Computes the treelikeness

Usage

delta.score(x, arg = "mean", ...)

Arguments

x: an object of class phyDat
arg: Specifies the return value, one of "all", "mean" or "sd"
...: further arguments passed through dist.hamming

Value

A vector containing the \(\delta\) scores.

References

Gray RD, Bryant D, Greenhill SJ (2010). “On the shape and fabric of human history.” Philosophical Transactions of the Royal Society B: Biological Sciences, 365(1559), 3923.

Holland BR, Huber KT, Dress A, Moulton V (2002). “\(\delta\) Plots: A Tool for Analyzing Phylogenetic Distance Data.” Molecular Biology and Evolution, 19(12), 2051-2059. ISSN 0737-4038. doi:10.1093/oxfordjournals.molbev.a004030 .

Author

Alastair Potts and Klaus Schliep

Examples


data(yeast)
hist(delta.score(yeast, "all"))