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Additionally, GEIGER's simulation algorithms can be used to analyze the statistical power of comparative approaches.<\/jats:p><jats:p>Availability: This open source software is written entirely in the R language and is freely available through the Comprehensive R Archive Network (CRAN) at http:\/\/cran.r-project.org\/.<\/jats:p><jats:p>Contact: \u00a0lukeh@uidaho.edu<\/jats:p>","DOI":"10.1093\/bioinformatics\/btm538","type":"journal-article","created":{"date-parts":[[2007,11,16]],"date-time":"2007-11-16T01:43:16Z","timestamp":1195177396000},"page":"129-131","source":"Crossref","is-referenced-by-count":2171,"title":["GEIGER: investigating evolutionary radiations"],"prefix":"10.1093","volume":"24","author":[{"given":"Luke J.","family":"Harmon","sequence":"first","affiliation":[{"name":"1 Department of Biological Sciences, University of Idaho, Moscow, ID 83844, USA, 2Biodiversity Research Centre, 3Department of Zoology, University of British Columbia, Vancouver, BC, V6T1Z4, Canada 4IGERT Program in Evolutionary Modeling, Washington State University, Pullman, WA 99163, 5Department of Biology, University of Rochester, Rochester, NY 14627, USA and 6Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby, BC, V5A1S6, Canada"},{"name":"1 Department of Biological Sciences, University of Idaho, Moscow, ID 83844, USA, 2Biodiversity Research Centre, 3Department of Zoology, University of British Columbia, Vancouver, BC, V6T1Z4, Canada 4IGERT Program in Evolutionary Modeling, Washington State University, Pullman, WA 99163, 5Department of Biology, University of Rochester, Rochester, NY 14627, USA and 6Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby, BC, V5A1S6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason T.","family":"Weir","sequence":"additional","affiliation":[{"name":"1 Department of Biological Sciences, University of Idaho, Moscow, ID 83844, USA, 2Biodiversity Research Centre, 3Department of Zoology, University of British Columbia, Vancouver, BC, V6T1Z4, Canada 4IGERT Program in Evolutionary Modeling, Washington State University, Pullman, WA 99163, 5Department of Biology, University of Rochester, Rochester, NY 14627, USA and 6Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby, BC, V5A1S6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chad D.","family":"Brock","sequence":"additional","affiliation":[{"name":"1 Department of Biological Sciences, University of Idaho, Moscow, ID 83844, USA, 2Biodiversity Research Centre, 3Department of Zoology, University of British Columbia, Vancouver, BC, V6T1Z4, Canada 4IGERT Program in Evolutionary Modeling, Washington State University, Pullman, WA 99163, 5Department of Biology, University of Rochester, Rochester, NY 14627, USA and 6Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby, BC, V5A1S6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard E.","family":"Glor","sequence":"additional","affiliation":[{"name":"1 Department of Biological Sciences, University of Idaho, Moscow, ID 83844, USA, 2Biodiversity Research Centre, 3Department of Zoology, University of British Columbia, Vancouver, BC, V6T1Z4, Canada 4IGERT Program in Evolutionary Modeling, Washington State University, Pullman, WA 99163, 5Department of Biology, University of Rochester, Rochester, NY 14627, USA and 6Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby, BC, V5A1S6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wendell","family":"Challenger","sequence":"additional","affiliation":[{"name":"1 Department of Biological Sciences, University of Idaho, Moscow, ID 83844, USA, 2Biodiversity Research Centre, 3Department of Zoology, University of British Columbia, Vancouver, BC, V6T1Z4, Canada 4IGERT Program in Evolutionary Modeling, Washington State University, Pullman, WA 99163, 5Department of Biology, University of Rochester, Rochester, NY 14627, USA and 6Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby, BC, V5A1S6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2007,11,15]]},"reference":[{"key":"2023020209444988500_B1","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1093\/bioinformatics\/bti798","article-title":"apTreeshape: statistical analysis of phylogenetic tree shape","volume":"22","author":"Bortolussi","year":"2006","journal-title":"Bioinformatics"},{"key":"2023020209444988500_B2","doi-asserted-by":"crossref","first-page":"683","DOI":"10.1086\/426002","article-title":"Phylogenetic comparative analysis: a modeling approach for adaptive evolution","volume":"164","author":"Butler","year":"2004","journal-title":"Am. 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