Phylogenetic Comparative Methods
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Phylogenetic comparative methods (PCMs) use information on the evolutionary relationships of organisms (phylogenetic trees) to compare species (Harvey and Pagel, 1991). The most common applications are to test for correlated evolutionary changes in two or more traits, or to determine whether a trait contains phylogenetic signal (the tendency for related species to resemble each other). However, several methods are available to relate particular phenotypic traits to var...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Phylogenetic comparative methods (PCMs) use information on the evolutionary relationships of organisms (phylogenetic trees) to compare species (Harvey and Pagel, 1991). The most common applications are to test for correlated evolutionary changes in two or more traits, or to determine whether a trait contains phylogenetic signal (the tendency for related species to resemble each other). However, several methods are available to relate particular phenotypic traits to variation in rates of speciation and/or extinction, including attempts to identify evolutionary key innovations. Although most studies that employ PCMs focus on extant organisms, the methods can also be applied to extinct taxa and can incorporate information from the fossil record.
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