Graphs in phylogenetic comparative analysis: Anscombe's quartet revisited

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dc.contributor.authorRevell, Liam J.
dc.contributor.authorSchliep, Klaus
dc.contributor.authorValderrama, Eugenio
dc.contributor.authorRichardson, James E.
dc.date.accessioned2020-07-30T17:15:53Z
dc.date.available2020-07-30T17:15:53Z
dc.description.abstractenglishIn 1973, the statistician Francis Anscombe used a clever set of bivariate datasets (now known as Anscombe's quartet) to illustrate the importance of graphing data as a component of statistical analyses. In his example, each of the four datasets yielded identical regression coefficients and model fits, and yet when visualized revealed strikingly different patterns of covariation between x and y. Phylogenetic comparative methods (the set of methodologies that use phylogenies, often combined with phenotypic trait data, to make inferences about evolution) are statistical methods too; yet visualizing the data and phylogeny in a sensible way that would permit us to detect unexpected patterns or unanticipated deviations from model assumptions is not a routine component of phylogenetic comparative analyses. Here, we use a quartet of phylogenetic datasets to illustrate that the same estimated parameters and model fits can be obtained from data that were generated using markedly different procedures—including pure Brownian motion evolution and randomly selected data uncorrelated with the tree. Just as in the case of Anscombe's quartet, when graphed the differences between the four datasets are quickly revealed. The intent of this article is to help build the general case that phylogenetic comparative methods are statistical methods and consequently that graphing or visualization should invariably be included as an essential step in our standard data analytical pipelines. Phylogenies are complex data structures and thus visualizing data on trees in a meaningful and useful way is a challenging endeavour. We recommend that the development of graphical methods for simultaneously visualizing data and tree should continue to be an important goal in phylogenetic comparative biology.eng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1111/2041-210X.13067
dc.identifier.instnameinstname:Universidad El Bosquespa
dc.identifier.issn2041-210X
dc.identifier.reponamereponame:Repositorio Institucional Universidad El Bosquespa
dc.identifier.repourlhttps://repositorio.unbosque.edu.co
dc.identifier.urihttps://hdl.handle.net/20.500.12495/3625
dc.language.isoeng
dc.publisherWileyspa
dc.publisher.journalMethods in Ecology and Evolutionspa
dc.relation.ispartofseriesMethods in Ecology and Evolution, 2041-210X, Vol 9, Nro. 10, 2018, p. 2145-2154spa
dc.relation.urihttps://besjournals.onlinelibrary.wiley.com/doi/abs/10.1111/2041-210X.13067
dc.rights.accessrightshttps://purl.org/coar/access_right/c_abf2
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.rights.accessrightsAcceso abierto
dc.rights.creativecommons2018-07-16
dc.rights.localAcceso abiertospa
dc.subject.keywordsComparative methodsspa
dc.subject.keywordsMacroevolutionspa
dc.subject.keywordsPhylogenyspa
dc.subject.keywordsPlottingspa
dc.subject.keywordsVisualizationspa
dc.titleGraphs in phylogenetic comparative analysis: Anscombe's quartet revisitedspa
dc.title.translatedGraphs in phylogenetic comparative analysis: Anscombe's quartet revisitedspa
dc.type.coarhttps://purl.org/coar/resource_type/c_6501
dc.type.driverinfo:eu-repo/semantics/article
dc.type.hasversioninfo:eu-repo/semantics/publishedVersion
dc.type.localArtículo de revista

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