| Cox比例风险模型中的校正经验似然方法 |
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| 引用本文： | 李晓,吴耀华,涂冬生.Cox比例风险模型中的校正经验似然方法[J].中国科学技术大学学报,2009,39(12). |
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| 作者姓名： | 李晓 吴耀华 涂冬生 |
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| 作者单位： | 1. 中国科学技术大学统计与金融系,安徽合肥,230026
2. 加拿大女王大学肿瘤研究所,安大略省金士顿,K |
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| 基金项目： | 国家自然科学基金，PhD Program Foundation of the Ministry of Education of China，Special Foundations of the Chinese Academy of Science and USTC |
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| 摘 要： | 提出了一种校正经验似然方法来构造Cox比例风险模型中回归系数的置信域.该方法通过Monte Carlo模拟与基于极大偏似然估计的正态逼近的方法相比较.另外,也用该方法分析了一组急性粒细胞性白血病的临床数据.
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| 关 键 词： | 经验似然 Cox比例风险模型 置信区间 MonteCarlo模拟 |
Adjusted empirical likelihood in Cox proportional hazard model |
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| LI Xiao,WU Yao-hua,TU Dong-sheng.Adjusted empirical likelihood in Cox proportional hazard model[J].Journal of University of Science and Technology of China,2009,39(12). |
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| Authors: | LI Xiao WU Yao-hua TU Dong-sheng |
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| Abstract: | An adjusted empirical likelihood procedure was proposed to construct confidence regions for the regression coefficients in Cox proportional hazard model. The proposed procedure was compared through Monte Carlo simulations with that based on normal approximation to the distribution of the maximum partial likelihood estimates. The procedure was also applied to analyze the data from a clinical trial on actuate myelogenous leukemia (AML). |
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| Keywords: | empirical likelihood Cox proportional hazard model confidence interval Monte Carlo simulations |
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