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Brooks Parsimony Analysis: a valiant failure
Article first published online: 19 JUL 2005
DOI: 10.1111/j.1096-0031.2003.tb00388.x
1096-0031/asset/cover.gif?v=1&s=a1d1ac4b2a76322ab60291f660f5ae12cde80e14 "Cladistics")
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How to Cite
Siddall, M. E. and Perkins, S. L. (2003), Brooks Parsimony Analysis: a valiant failure. Cladistics, 19: 554–564. doi: 10.1111/j.1096-0031.2003.tb00388.x
Publication History
- Issue published online: 19 JUL 2005
- Article first published online: 19 JUL 2005
- accepted 9 October 2003
- Abstract
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Abstract
A recent comparison of two methods for examining correlated host and parasite phylogenies, namely TreeMap 1.0 and Brooks Parsimony Analysis concluded that the latter method performed better and is to be preferred. Reevaluation of the examples contrived for that study demonstrates that the two methods were only compared on one kind of problem (widespread parasite) for which there is an easy fix for TreeMap 1.0. Other kinds of problems like host-switching among sister taxa or host-switching over great distances across a host tree befuddle BPA even as they are readily resolved parsimoniously by TreeMap 1.0. These difficulties, compounded with inaccurate counting of ad hoc hypotheses required by its solutions render BPA unsuitable for comparison of host and parasite phylogenies.