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題名 Testing conditional independence using maximal nonlinear conditional correlation
作者 黃子銘
Huang, Tzee-Ming
貢獻者 統計系
日期 2010-08
上傳時間 23-Dec-2014 15:08:24 (UTC+8)
摘要 In this paper, the maximal nonlinear conditional correlation of two random vectors X and Y given another random vector Z, denoted by ρ1(X,Y|Z), is defined as a measure of conditional association, which satisfies certain desirable properties. When Z is continuous, a test for testing the conditional independence of X and Y given Z is constructed based on the estimator of a weighted average of the form ∑k=1nZfZ(zk)ρ12(X,Y|Z = zk), where fZ is the probability density function of Z and the zk’s are some points in the range of Z. Under some conditions, it is shown that the test statistic is asymptotically normal under conditional independence, and the test is consistent.
關聯 Annals of Statistics,38(4),2047-2091
資料類型 article
DOI http://dx.doi.org/10.1214/09-AOS770
dc.contributor 統計系en_US
dc.creator (作者) 黃子銘zh_TW
dc.creator (作者) Huang, Tzee-Mingen_US
dc.date (日期) 2010-08en_US
dc.date.accessioned 23-Dec-2014 15:08:24 (UTC+8)-
dc.date.available 23-Dec-2014 15:08:24 (UTC+8)-
dc.date.issued (上傳時間) 23-Dec-2014 15:08:24 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/72214-
dc.description.abstract (摘要) In this paper, the maximal nonlinear conditional correlation of two random vectors X and Y given another random vector Z, denoted by ρ1(X,Y|Z), is defined as a measure of conditional association, which satisfies certain desirable properties. When Z is continuous, a test for testing the conditional independence of X and Y given Z is constructed based on the estimator of a weighted average of the form ∑k=1nZfZ(zk)ρ12(X,Y|Z = zk), where fZ is the probability density function of Z and the zk’s are some points in the range of Z. Under some conditions, it is shown that the test statistic is asymptotically normal under conditional independence, and the test is consistent.en_US
dc.format.extent 429871 bytes-
dc.format.mimetype application/pdf-
dc.language.iso en_US-
dc.relation (關聯) Annals of Statistics,38(4),2047-2091en_US
dc.title (題名) Testing conditional independence using maximal nonlinear conditional correlationen_US
dc.type (資料類型) articleen
dc.identifier.doi (DOI) 10.1214/09-AOS770en_US
dc.doi.uri (DOI) http://dx.doi.org/10.1214/09-AOS770en_US