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@article{Freckleton2002PhylogeneticAA,
  title={Phylogenetic Analysis and Comparative Data: A Test and Review of Evidence},
  author={Robert P. Freckleton and Paul H. Harvey and Mark Pagel},
  journal={The American Naturalist},
  year={2002},
  volume={160},
  pages={712 - 726},
  url={https://api.semanticscholar.org/CorpusID:19796539}
}

Simulations show λ to be a statistically powerful index for measuring whether data exhibit phylogenetic dependence or not and whether it has low rates of Type I error, which demonstrates that even partial information on phylogeny will improve the accuracy of phylogenetic analyses.

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The phylogenetic regression.

One conclusion is that the dates of splits between taxa, even supplemented by rates of neutral gene evolution, do not provide the ‘ true ’ covariance structure, and a pragmatic approach is adopted.