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    政大機構典藏 > 商學院 > 統計學系 > 期刊論文 >  Item 140.119/61555


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    题名: The Effect of Migration on a Similarity Index
    作者: 余清祥
    Yue,Jack C.;Clayton, Murray K.
    贡献者: 統計系
    关键词: Jaccard`s index;Migration;Similarity index;Spatial randomness
    日期: 2011.03
    上传时间: 2013-11-11 09:38:38 (UTC+8)
    摘要: Fewster and Buckland (2001) defined a similarity index between two communities by allowing changes between sites to reduce the influence of local discrepancies. The similarity index of Fewster and Buckland is calculated to attain the maximum similarity between two communities in the presence of migration. Instead of maximizing similarity, we propose random migration to measure the similarity of two communities with two types of stochastic migration. The similarity values based on the proposed methods can be treated as the expected value of similarity under migration. We use computer simulation and empirical examples to demonstrate our approach.
    關聯: Communications in Statistics: Simulation and Computation, 40(3), 1-12
    数据类型: article
    DOI 連結: http://dx.doi.org/10.1080/03610918.2010.542848
    DOI: 10.1080/03610918.2010.542848
    显示于类别:[統計學系] 期刊論文

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