FITTING COX PROPORTIONAL HAZARDS MODELS FROM SURVEY DATA

FITTING COX PROPORTIONAL HAZARDS MODELS FROM SURVEY DATA
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DOI:
10.1093/biomet/79.1.139
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发表时间:
1992-03-01
期刊:
影响因子:
2.7
通讯作者:
BINDER, DA
BINDER, DA
中科院分区:
数学2区
文献类型:
--
作者:
BINDER, DA

文献摘要

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比例风险模型做出了一些假设,这些假设可能并不总是完全满足的。然而,拟合这样的模型可以同时具有描述和分析价值。我们讨论了调查设计对大规模研究的影响。我们提出了一个加权估计量,并推导了一个基于设计的估计量。这种推导需要使用以前在调查数据分析中没有使用过的方法。我们进行了一个小型的模拟研究,将所提出的方法与文献中的其他方法进行比较。
The proportional hazards model makes a number of assumptions which may not always be completely satisfied. However, fitting such models can have both descriptive and analytical value. We discuss the implications of the survey design for large-scale studies. We propose a weighted estimator and derive a design-based estimator for the variance of the estimated parameters. The derivation requires using methods not previously used in the context of analysis of survey data. We conduct a small simulation study comparing the proposed method with others in the literature.