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dc.contributor.author
Giannini, Norberto Pedro
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dc.contributor.author
Goloboff, Pablo Augusto
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dc.date.available
2019-04-26T20:19:40Z
dc.date.issued
2010-07
dc.identifier.citation
Giannini, Norberto Pedro; Goloboff, Pablo Augusto; Delayed-response phylogenetic correlation: An optimization-based method to test covariation of continuous characters; Wiley Blackwell Publishing, Inc; Evolution; 64; 7; 7-2010; 1885-1898
dc.identifier.issn
0014-3820
dc.identifier.uri
http://hdl.handle.net/11336/75160
dc.description.abstract
A new phylogenetic comparative method is proposed, based on mapping two continuous characters on a tree to generate data pairs for regression or correlation analysis, which resolves problems ofmultiple character reconstructions, phylogenetic dependence, and asynchronous responses (evolutionary lags). Data pairs are formed in two ways (tree-down and tree-up) by matching corresponding changes, ▶x and ▶y. Delayed responses (▶y occurring later in the tree than ▶x) are penalized by weighting pairs using nodal or branch-length distance between ▶x and ▶y; immediate (same-node) responses are given maximum weight. All combinations of character reconstructions (or a random sample thereof) are used to find the observed range of the weighted coefficient of correlation r (orweighted slope b). This range is used as test statistic, and the null distribution is generated by randomly reallocating changes (▶x and ▶y) in the topology. Unlike randomization of terminal values, this procedure complies with Generalized Monte Carlo requirements while saving considerable computation time. Phylogenetic dependence is avoided by randomization without data transformations, yielding acceptable type-I error rates and statistical power. We show that ignoring delayed responses can lead to falsely nonsignificant results. Issues that arise from considering delayed responses based on optimization are discussed.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Continuous Characters
dc.subject
Phylogenetic Comparative Methods
dc.subject
Phylogenetic Correlation
dc.subject
Phylogenetic Dependence
dc.subject
Randomization Testing
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Delayed-response phylogenetic correlation: An optimization-based method to test covariation of continuous characters
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-04-11T19:48:56Z
dc.journal.volume
64
dc.journal.number
7
dc.journal.pagination
1885-1898
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Giannini, Norberto Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán. Unidad Ejecutora Lillo; Argentina. American Museum of Natural History; Estados Unidos. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Programa de Investigación de Biodiversidad Argentina; Argentina
dc.description.fil
Fil: Goloboff, Pablo Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán. Unidad Ejecutora Lillo; Argentina
dc.journal.title
Evolution
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/full/10.1111/j.1558-5646.2010.00956.x
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1111/j.1558-5646.2010.00956.x
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