From Comparative Phylogenetics in R
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Comparative Methods in R How To

Getting started with R:

R is freely available statistical software, which can be run in various environments(MacOSX, Windows, Linux). For a general description of R, visit the


  • How to load a tree
  • How to load a dataset
  • How to....


  • How to calculate Independent Contrasts
  • How to calculate Ancestral State Reconstructions
  • How to calculate measures of phylogenetic patterning
  • How to.....

Tree & Data Manipulation

  • How to run analysis across multiple trees
  • How to subset trees and data
  • How to resolve polytomies
  • How to change branch lengths
  • How to .....