Analyzing the fitch method for reconstructing ancestral states on ultrametric phylogenetic trees.

Abstract:

:The accuracy of the Fitch method for reconstructing ancestral states on ultrametric phylogenetic trees is studied. Two recurrence relations for computing the accuracy are given here. Using these relations, we analyze the convergence of the accuracy of the Fitch method for reconstructing the root state on a complete binary tree of 2( n ) leaves as n goes to infinity, present a closed-form formula for the accuracy on ultrametric comb trees, and provide a lower bound on the accuracy on arbitrary ultrametric phylogenetic trees.

journal_name

Bull Math Biol

authors

Zhang L,Shen J,Yang J,Li G

doi

10.1007/s11538-010-9505-8

subject

Has Abstract

pub_date

2010-10-01 00:00:00

pages

1760-82

issue

7

eissn

0092-8240

issn

1522-9602

journal_volume

72

pub_type

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