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Erschienen in:
2014 | OriginalPaper | Buchkapitel
7. Comparative Methods and Phylogenetic Signal
verfasst von : Nathan G. Swenson
Erschienen in: Functional and Phylogenetic Ecology in R
Verlag: Springer New York
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Abstract
The objectives of this chapter are to consider trait data in the context of phylogenetic information. We will begin by discussing how to quantify the relationships between the traits of species while accounting for the nonindependence of species. We will then explore how to quantify the degree to which variation in traits reflects phylogenetic nonindependence. Throughout we will discuss multiple approaches, but keep in mind that not all approaches are equal. Some approaches that will be presented are now rarely used due to their documented weaknesses. Nonetheless we will cover these approaches to provide some breadth, background, and context.