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題名 A Nonparametric Estimator of Species Overlap
作者 余清祥
Yue, Jack C. ; Clayton, Murray K. ; Lin, Feng-Chang
日期 2001-09
上傳時間 19-Dec-2008 14:51:30 (UTC+8)
摘要 For two communities, species overlap has been defined by Smith, Solow, and Preston (1996, Biometrics 52, 1472-1477) as the probability that a randomly selected species is present in both communities given that it is present in at least one community. Species overlap can thus be used to describe the similarity of two communities. In contrast with the parametric estimator of Smith et al., we propose a nonparametric maximum likelihood estimator (NPMLE). We prove that the NPMLE is consistent and asymptotically normally distributed and show that computation of the NPMLE and its standard error is straightforward. We also compare the NPMLE and the estimator of Smith et al. for a variety of situations.
關聯 Biometrics, 57(3), 743-749
資料類型 article
DOI http://dx.doi.org/10.1111/j.0006-341X.2001.00743.x
dc.creator (作者) 余清祥zh_TW
dc.creator (作者) Yue, Jack C. ; Clayton, Murray K. ; Lin, Feng-Chang-
dc.date (日期) 2001-09en_US
dc.date.accessioned 19-Dec-2008 14:51:30 (UTC+8)-
dc.date.available 19-Dec-2008 14:51:30 (UTC+8)-
dc.date.issued (上傳時間) 19-Dec-2008 14:51:30 (UTC+8)-
dc.identifier.uri (URI) https://nccur.lib.nccu.edu.tw/handle/140.119/18155-
dc.description.abstract (摘要) For two communities, species overlap has been defined by Smith, Solow, and Preston (1996, Biometrics 52, 1472-1477) as the probability that a randomly selected species is present in both communities given that it is present in at least one community. Species overlap can thus be used to describe the similarity of two communities. In contrast with the parametric estimator of Smith et al., we propose a nonparametric maximum likelihood estimator (NPMLE). We prove that the NPMLE is consistent and asymptotically normally distributed and show that computation of the NPMLE and its standard error is straightforward. We also compare the NPMLE and the estimator of Smith et al. for a variety of situations.-
dc.format application/en_US
dc.language enen_US
dc.language en-USen_US
dc.language.iso en_US-
dc.relation (關聯) Biometrics, 57(3), 743-749en_US
dc.title (題名) A Nonparametric Estimator of Species Overlapen_US
dc.type (資料類型) articleen
dc.identifier.doi (DOI) 10.1111/j.0006-341X.2001.00743.xen_US
dc.doi.uri (DOI) http://dx.doi.org/10.1111/j.0006-341X.2001.00743.xen_US