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Tree-structured subgroup analysis for censored survival data: Validation of computationally inexpensive model selection criteria

机译:用于检查的生存数据的树状亚组分析:验证计算上便宜的模型选择标准

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摘要

The performance of computationally inexpensive model selection criteria in the context of tree-structured subgroup analysis is investigated. It is shown through simulation that no single model selection criterion exhibits a uniformly superior performance over a wide range of scenarios. Therefore, a two-stage approach for model selection is proposed and shown to perform satisfactorily. Applied example of subgroup analysis is presented. Problems associated with tree-structured subgroup analysis are discussed and practical solutions are suggested.
机译:在树结构子组分析的上下文中,研究了计算上便宜的模型选择标准的性能。通过仿真显示,没有一个模型选择标准可以在广泛的场景中表现出一致的优越性能。因此,提出了一种两阶段的模型选择方法,该方法显示了令人满意的性能。给出了亚组分析的应用实例。讨论了与树结构子组分析相关的问题,并提出了切实可行的解决方案。

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