Support weighting

被引:16
作者
Farris, JS [1 ]
机构
[1] Naturhist Riksmuseet, Mol Syst Lab, SE-10405 Stockholm, Sweden
来源
CLADISTICS-THE INTERNATIONAL JOURNAL OF THE WILLI HENNIG SOCIETY | 2001年 / 17卷 / 04期
关键词
D O I
10.1006/clad.2001.0180
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Previous weighting methods-including compatibility weighting-have assumed that homoplasy indicates unreliability, but this assumption does not seem to hold for large molecular data matrices. Reliability can be better assessed by support weighting, which measures the degree to which the changes in a character (site) are concentrated in the supported branches of a tree. Jackknife resampling can be used to generate randomly selected suites of initial weights in successive support weighting, and this provides a way of assessing the stability of successive weighting results. (C) 2001 The Willi Hennig Society.
引用
收藏
页码:389 / 394
页数:6
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