Support and stability

Cladistics (Impact Factor: 6.09). 04/2009; 25(2):107-108. DOI: 10.1111/j.1096-0031.2008.00243.x
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    • "In my view, HovenkampÕs (2009) position is erroneous in at least two ways. First, as stated in my 2010 letter, resampled permutations of a given data set do not represent independent evidence, but are pseudoreplicates . "
    Cladistics 10/2011; 27(5). DOI:10.1111/j.1096-0031.2011.00354.x · 6.09 Impact Factor
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    • "Sir, Hovenkamp (2009, p. 107) argued that stability of results equates to repeatability, and that as repeatability is ''a basic requirement for observations in empirical science'', ''a meaningful repetition of a cladistic study necessitates any of a number of possible changes in the basic data, and finds those elements of a cladogram to be repeatable that persist under a specified regime of changes''. In other words, a cladogram is not ''empirical science'' unless it has been subjected to a ''permutation support statistic''. 1 Both the premise and the conclusion of this argument are false. "
    Cladistics 07/2009; 26(1):112 - 113. DOI:10.1111/j.1096-0031.2009.00271.x · 6.09 Impact Factor
  • Cladistics 12/2010; 26(6):625-642. DOI:10.1111/j.1096-0031.2010.00309.x · 6.09 Impact Factor
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