publication . Article . 2002

The Utility of the Incongruence Length Difference Test

F. Keith Barker; François Lutzoni;
Open Access
  • Published: 01 Jul 2002 Journal: Systematic Biology, volume 51, pages 625-637 (issn: 1063-5157, eissn: 1076-836X, Copyright policy)
  • Publisher: Oxford University Press (OUP)
Abstract
Conditional combination of phylogeneticdatarequiresde” nitionofexplicitcriteriaforcombinability (Bull et al., 1993). In this con-text,combinabilityreferstothemethodolog-ical validity of combining multiple sourcesof phylogenetic data, given the underly-ing assumptions (explicit or otherwise) ofthe analysis. Combinability has been eval-uated by the effect of data set combina-tion on phylogenetic accuracy: Combinabledata sets increase accuracy (Bull et al.,1993; Cunningham, 1997b). When inferen-tial methods are statistically consistent, thisconvergent property is guaranteed by sta-tistical homogeneity of the data sets to becombined: Increasing sample size increasesprecision. In a phylogenetic context, datahomogeneity can be de” ned as the shar-ing of a single history (topological pat-
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free text keywords: Genetics, Ecology, Evolution, Behavior and Systematics, Sample size determination, Statistics, Homogeneity (statistics), Mathematics, Data set, Phylogenetic tree
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Article . 2002
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