How do characters evolve? (reply)

Robert E. Ricklefs ()
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Robert E. Ricklefs: University of Missouri at St Louis

Nature, 2004, vol. 432, issue 7014, 166-166

Abstract: Abstract Ricklefs replies - Purvis 1 states that, under random gradual change, clades accumulate variance in proportion to their total branch length. Accordingly, at a given age, clades with more species should exhibit greater variance. This is incorrect, as shown both analytically2,3 and by simulation4,5, and the error underlines a misunderstanding of my analysis.

Date: 2004
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DOI: 10.1038/nature03093

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