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可加危险生存治愈模型的估计

Estimation of Surviavl Cure and Additive Hazards Models
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摘要 最近以来,可加危险(AH)模型被广泛地应用于生存分析数据,模型的协变量可以假设为时间独立或时间相关.基于混合、非混合治愈模型和“不正确”的比例危险模型,本文将上述的可乘危险模型延伸到可加的危险模型,这里的模型可以允许含治愈部分的生存数据的存在.“不正确”的AH模型的模型识别和参数估计也在文中进行了讨论. Recently, additive hazards (AH) models are extensively applied to analyze survival data, in which covariates are assumed to be time - independent or time - dependent. In this paper, we extend multiplicative hazards model which are based on mixture cure, no - mixture cure models and “improper” proportional hazards models to AH model which may accommodate survival data with long - term survivors. Identifiability of “improper” AH and its estimation are investigated in this paper.
出处 《重庆文理学院学报(自然科学版)》 2006年第4期47-51,共5页 Journal of Chongqing University of Arts and Sciences
关键词 可乘危险 可加危险 治愈模型 模型识别 部分似然 Multiplicative heazrds additive hazards cure model model identifiability partial likelihood
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参考文献10

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