CureAuxSP:一个R包,用于估计混合治愈模型的辅助生存概率
Jie Ding1, Jialiang Li2, Mengxiu Zhang3
1School of Mathematical Sciences, Dalian University of Technology, Liaoning, China.
Computer methods and programs in biomedicine
|May 16, 2024
概括
本研究介绍了CureAuxSP,这是一个R包,集成外部生存数据来改进统计分析,特别是对于治疗分数的数据集. 该包增强了混合治愈模型,为生存数据分析提供了效率提升.
科学领域:
- 生物统计学 生物统计学
- 生存分析的分析.
- 计算统计学 计算统计学
背景情况:
- 对利用外部数据进行内部数据集分析越来越感兴趣.
- 现有的生存分析软件缺乏将辅助信息纳入的方法.
- 需要工具来增强生存分析的统计能力,使用治疗分数.
研究的目的:
- 开发一个R包,CureAuxSP,将外部子组的生存概率整合到内部的生存数据集中.
- 用辅助信息解决当前软件的缺口,以分析使用辅助信息的治愈分数的生存数据.
- 通过合成外部子组的生存概率来增强内部生存数据的统计分析.
主要方法:
- 开发了R包CureAuxSP,用于在混合疗法模型下进行信息合成.
- 利用对照品种技术在多个时间点合成子组生存概率.
- 实现了对同质性假设的自动评估和对输出的自适应性改进.
主要成果:
- CureAuxSP包有一个主要功能,SMC.AxuSP,用于自适应地整合外部数据.
- 使用模拟和真实乳腺癌数据集,证明了显著的效率提升.
- 提供了一个函数,Print.SMC.AuxSP,用于改进结果的呈现.
结论:
- CureAuxSP允许在生存分析中更广泛地应用辅助信息.
- 预计混合治愈模型的性能有所改善,特别是对于小样本大小.
- 有助于更强大,更有效地分析与治愈分数的生存数据.
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