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Semiparametric varying-coefficient model with right-censored and length-biased data
Lin, Cunjie1; Zhou, Yong2,3
2016-12-01
Source PublicationJOURNAL OF MULTIVARIATE ANALYSIS
ISSN0047-259X
Volume152Pages:119-144
AbstractThe analysis of right-censored and length-biased data is commonly encountered in prevalent cohort studies. The special structure of length-biased data is different from the structure of traditional survival data and the methods for traditional survival data cannot be directly applied to length-biased data, because the assumption of independent censoring is often violated in the presence of biased sampling and the assumed model for the underlying population is no longer satisfied. In this paper, we propose a flexible semiparametric varying-coefficient model for analyzing the covariate effects on the population survival time under length-biased sampling. To estimate the parameters, we develop a three-stage estimation procedure, which can improve the efficiency of the estimators. In addition to the case where the censoring variable is independent of the covariates, we consider the case where the censoring variable depends on covariates. The asymptotic properties of the proposed estimators are derived under regularity conditions, and a resampling procedure is used to confirm the methods through simulations. Finally, we illustrate the methods using data concerning the Academy Awards. (C) 2016 Elsevier Inc. All rights reserved.
KeywordLength-biased data Local linear regression Right-censored Semiparametric varying-coefficient model
DOI10.1016/j.jmva.2016.08.008
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[71271128] ; State Key Program of the National Natural Science Foundation of China[71331006] ; NCMIS ; Shanghai University of Finance and Economics[211] ; Shanghai Leading Academic Discipline Project
WOS Research AreaMathematics
WOS SubjectStatistics & Probability
WOS IDWOS:000385786600008
PublisherELSEVIER INC
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Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/23786
Collection应用数学研究所
Corresponding AuthorLin, Cunjie
Affiliation1.Renmin Univ China, Sch Stat, Beijing, Peoples R China
2.Chinese Acad Sci, Acad Math & Syst Sci, Beijing, Peoples R China
3.Shanghai Univ Finance & Econ, Sch Stat & Management, Shanghai, Peoples R China
Recommended Citation
GB/T 7714
Lin, Cunjie,Zhou, Yong. Semiparametric varying-coefficient model with right-censored and length-biased data[J]. JOURNAL OF MULTIVARIATE ANALYSIS,2016,152:119-144.
APA Lin, Cunjie,&Zhou, Yong.(2016).Semiparametric varying-coefficient model with right-censored and length-biased data.JOURNAL OF MULTIVARIATE ANALYSIS,152,119-144.
MLA Lin, Cunjie,et al."Semiparametric varying-coefficient model with right-censored and length-biased data".JOURNAL OF MULTIVARIATE ANALYSIS 152(2016):119-144.
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