DISTRIBUTIONAL PROPERTIES OF JACCARD INDEX OF SIMILARITY

被引:18
|
作者
MCCORMICK, WP
LYONS, NI
HUTCHESON, K
机构
[1] UNIV GEORGIA,DEPT STAT,ATHENS,GA 30602
[2] UNIV GEORGIA,INST ECOL,ATHENS,GA 30602
关键词
COEFFICIENT OF SIMILARITY; MULTINOMIAL; ASYMPTOTIC DISTRIBUTION; MATCHING COEFFICIENT;
D O I
10.1080/03610929208830764
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
The distribution of Jaccard's coefficient of similarity is shown to be asymptotically normal when the individuals in samples from each population are assumed to follow equiprobable multinomial distributions. An expression is given for the joint distribution of the statistics involved in Jaccard's index for underlying multinomials with all categories equally likely except one.
引用
收藏
页码:51 / 68
页数:18
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