Comparative Analysis of Principal Components Can be Misleading
Abstract
Most existing methods for modeling trait evolution are univariate, although researchers are often interested in investigating evolutionary patterns and processes across multiple traits. Principal components analysis (PCA) is commonly used to reduce the dimensionality of multivariate data so that univariate trait models can be fit to individual principal components. The problem with using standard PCA on phylogenetically structured data has been...
Paper Details
Title
Comparative Analysis of Principal Components Can be Misleading
Published Date
Apr 3, 2015
Journal
Volume
64
Issue
4
Pages
677 - 689
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