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Phylogenetic effective sample size
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Matematiska institutionen, Tillämpad matematik och statistik.
2016 (engelsk)Inngår i: Journal of Theoretical Biology, ISSN 0022-5193, E-ISSN 1095-8541, Vol. 407, s. 371-386Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In this paper I address the question—how large is a phylogenetic sample? I propose a definition of a phylogenetic effective sample size for Brownian motion and Ornstein-Uhlenbeck processes-the regression effective sample size. I discuss how mutual information can be used to define an effective sample size in the non-normal process case and compare these two definitions to an already present concept of effective sample size (the mean effective sample size). Through a simulation study I find that the AICc is robust if one corrects for the number of species or effective number of species. Lastly I discuss how the concept of the phylogenetic effective sample size can be useful for biodiversity quantification, identification of interesting clades and deciding on the importance of phylogenetic correlations.

sted, utgiver, år, opplag, sider
2016. Vol. 407, s. 371-386
Emneord [en]
Biodiversity;Effective sample size;Measurement error;Ornstein-Uhlenbeck process;Phylogenetic comparative methods; Quantitative trait evolution
HSV kategori
Forskningsprogram
Tillämpad matematik och statistik; Bioinformatik
Identifikatorer
URN: urn:nbn:se:uu:diva-300893DOI: 10.1016/j.jtbi.2016.06.026ISI: 000383111800030PubMedID: 27343033OAI: oai:DiVA.org:uu-300893DiVA, id: diva2:952755
Forskningsfinansiär
Knut and Alice Wallenberg FoundationTilgjengelig fra: 2016-08-15 Laget: 2016-08-15 Sist oppdatert: 2017-11-28bibliografisk kontrollert

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