ASYMPTOTIC VARIANCE OF THE GMLE OF A SURVIVAL FUNCTION WITH INTERVAL-CENSORED DATA

ASYMPTOTIC VARIANCE OF THE GMLE OF A SURVIVAL FUNCTION WITH INTERVAL-CENSORED DATA
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区间删失数据生存函数GMLE的渐近方差

DOI:
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发表时间:
1998
期刊:
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影响因子:
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通讯作者:
G. Wong
G. Wong
中科院分区:
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文献类型:
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作者:
YU ByQIQING;Linxiong Li;G. Wong

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区间删失数据由随机生存时间 X 和随机删失区间生成。我们要么观察确切的生存时间,要么只知道生存时间位于审查区间内。 Turnbull (1976) 提出了一种自洽算法,用于获取具有区间删失数据的生存函数的广义最大似然估计量 (GMLE)。 Yu、Li 和 Wong (1996) 证明了 GMLE 的强一致性。在本文中,我们建立了 GMLE 和自洽估计量 (SCE) 的渐近正态性,并提出了具有区间删失数据的 GMLE 和 SCE 渐近方差的一致估计量。
Interval-censored data are generated by a random survival time X and a random censoring interval. We either observe the exact survival time or only know the survival time lies within the censoring interval. Turnbull (1976) proposes a self-consistent algorithm for obtaining the generalized maximum likelihood estimator (GMLE) of a survival function with interval-censored data. Yu, Li and Wong (1996) prove the strong consistency of the GMLE. In this paper, we establish the asymptotic normality of the GMLE and self-consistent estimators (SCE) and present a consistent estimator of the asymptotic variance of the GMLE and SCEs with interval-censored data.