AN EMPIRICAL COMPARISON OF MICROCOMPUTER PARSIMONY PROGRAMS, II
- 1 June 1989
- journal article
- Published by Wiley in Cladistics
- Vol. 5 (2), 145-162
- https://doi.org/10.1111/j.1096-0031.1989.tb00561.x
Abstract
Abstract— The effectiveness and efficiency of J. S. Farris' new microcomputer parsimony program (Hennig86, version 1.5) are evaluated with reference to 60 data sets, including those used to benchmark earlier mainframe and microcomputer packages. By overcoming the arbitrary resolution and consequent redundancy problems that have plagued previously available microcomputer programs, as well as their limitations on data set size, cladogram storage space, and execution speed, Hennig86 advances enormously the accuracy and ease with which cladistic analyses can be conducted. Hennig86 has such an impressive edge in both effectiveness and efficiency that earlier parsimony programs (including those by Farris) have essentially been rendered obsolete. For exact analyses, both exhaustive and minimal options arc provided; of the options available for approximate analyses, the branch breaker (bb) used in conjunction with the mhennig* and tread commands performed best.Keywords
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