Cited by 9,793Evolution and Paleontology StudiesMorphological variations and asymmetryGenomics and Phylogenetic Studies

The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Phylogenies and the Comparative Method

Felsenstein, Joseph·1985·The American Naturalist

Abstract

Comparative studies of the relationship between two phenotypes, or between a phenotype and an environment, are frequently carried out by invalid statistical methods. Most regression, correlation, and contingency table methods, including nonparametric methods, assume that the points are drawn independently from a common distribution. When species are taken from a branching phylogeny, they are manifestly nonindependent. Use of a statistical method that assumes independence will cause overstatement of the significance in hypothesis tests. Some illustrative examples of these phenomena have been given, and limitations of previous proposals of ways to correct for the nonindependence have been discussed. A method of correcting for the phylogeny has been proposed. It requires that we know both the tree topology and the branch lengths, and that we be willing to allow the characters to be modeled by Brownian motion on a linear scale. Given these conditions, the phylogeny specifies a set of contrasts among species, contrasts that are statistically independent and can be used in regression or correlation studies. The considerable barriers to making practical use of this technique have been discussed.

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Crossref · 10.1086/284325

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Metadata

Authors
Felsenstein, J.
Affiliations
University of Washington (US)
Corresponding author
Felsenstein, Joseph
Venue
The American Naturalist
Published
1985-01
Volume
125
Issue
1
Pages
1-15
ISSN
  • 0003-0147 (ISSN-L)
  • 1537-5323
OpenAlex
W2013410948
Cited by
9,793
References
13
Citations by year
2026: 242 · 2025: 311 · 2024: 287 · 2023: 361 · 2022: 335 · 2021: 391 · 2020: 332 · 2019: 465 · 2018: 375 · 2017: 374 · 2016: 374 · 2015: 399 · 2014: 436 · 2013: 342 · 2012: 343
FWCI
40.48
Type
journal article
Language
en
Open access
closed
Locations
The American Naturalist (publishedVersion)
Funders
  • U.S. Department of Energy
  • University of Washington
Topics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Morphological variations and asymmetry
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
phylogenetic comparative analysis, Brownian motion model, branch length, tree topology, contingency tables, character evolution

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