Design of dissimilarity measures: A new dissimilarity between species distribution areas

被引:30
作者
Hennig, Christian [1 ]
Hausdorf, Bernhard [2 ]
机构
[1] UCL, Dept Stat Sci, Gower St, London WC1E 6BT, England
[2] Univ Hamburg, Zool Museum, D-20146 Hamburg, Germany
来源
DATA SCIENCE AND CLASSIFICATION | 2006年
关键词
D O I
10.1007/3-540-34416-0_4
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
We give some guidelines for the choice and design of dissimilarity measures and illustrate some of them by the construction of a new dissimilarity measure between species distribution areas in biogeography. Species distribution data can be digitized as presences and absences in certain geographic units. As opposed to all measures already present in the literature, the geco coefficient introduced in the present paper takes the geographic distance between the units into account. The advantages of the new measure are illustrated by a study of the sensitivity against incomplete sampling and changes, in the definition of the geographic units in two real data sets.
引用
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页码:29 / +
页数:2
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