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- 2016
失效信息随机缺失时可加危险率模型的统计推断
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Abstract:
摘要 对失效信息随机缺失时的可加危险率模型的估计进行研究。充分利用失效信息和缺失信息的概率模型的信息，通过构建估计方程，得到回归参数和基准累积风险函数的3个估计。证明了所提估计的渐近正态性，并进行数值模拟研究其有限样本性质。利用数值模拟研究比较所提估计与文献中的估计的有限样本性质，并通过分析一个实际数据验证了本文方法的有效性。
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