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375291 occurrences (No.49 in the rank) during 5 years in the PubMed. [no cache] 500 found

333) The proposed method can be used to study how covariates affect the Clayton association parameter without specifying marginal regression models.

--- ABSTRACT ---

PMID:24323067 DOI:10.1007/s10985-013-9286-0

2015 Lifetime data analysis

* Local linear estimation of concordance probability with application to covariate effects models on association for bivariate failure-time data.

- Bivariate survival analysis has wide applications. In the presence of covariates, most literature focuses on studying their effects on the marginal distributions. However covariates can also affect the association between the two variables. In this article we consider the latter issue by proposing a nonstandard local linear estimator for the concordance probability as a function of covariates. Under the Clayton copula, the conditional concordance probability has a simple one-to-one correspondence with the copula parameter for different data structures including those subject to independent or dependent censoring and dependent truncation. The proposed method can be used to study how covariates affect the Clayton association parameter without specifying marginal regression models. Asymptotic properties of the proposed estimators are derived and their finite-sample performances are examined via simulations. Finally, for illustration, we apply the proposed method to analyze a bone marrow transplant data set.

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(1)81 null	(12)7 with	(23)2 allowed	(34)2 may
(2)59 for	(13)6 using	(24)2 among	(35)2 on
(3)39 of	(14)5 has	(25)2 but	(36)2 provided
(4)39 to	(15)5 used	(26)2 by	(37)2 should
(5)37 was	(16)4 showed	(27)2 choice	(38)2 study
(6)26 is	(17)4 which	(28)2 combined	(39)2 the
(7)24 and	(18)3 are	(29)2 could	(40)2 uses
(8)15 in	(19)3 as	(30)2 from	(41)2 we
(9)9 that	(20)3 significantly	(31)2 helped
(10)8 can	(21)2 a	(32)2 involves
(11)7 based	(22)2 against	(33)2 known

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--- WordNet output for method --- =>方法, 筋道, 秩序, 規則正しさ, 順序 Overview of noun method The noun method has 2 senses (first 1 from tagged texts) 1. (95) method -- (a way of doing something, especially a systematic way; implies an orderly logical arrangement (usually in steps)) 2. method acting, method -- (an acting technique introduced by Stanislavsky in which the actor recalls emotions or reactions from his or her own life and uses them to identify with the character being portrayed) --- WordNet end ---