科克斯坎:用于可解释,高性能生存分析的科尔莫戈罗夫-阿诺德网络
William Knottenbelt1,2, William McGough1,3, Rebecca Wray1,3
1Department of Oncology, University of Cambridge, Cambridge, CB2 0XZ, United Kingdom.
Bioinformatics (Oxford, England)
|July 21, 2025
概括
一个新的生存分析模型CoxKAN提供了可解释和高性能预测. 它的性能优于传统方法和深度学习,揭示了更好的医疗决策的关键生物标志物见解.
科学领域:
- 统计 统计 统计 统计
- 机器学习 机器学习
- 生物信息学是一种生物信息学.
背景情况:
- 在医学上,生存分析对于预测死亡或复发等关键事件至关重要.
- 传统模型平衡可解释性和性能;深度学习在性能方面表现出色,但缺乏透明度.
- 在医疗决策中,对可解释但高性能模型的需求至关重要.
研究的目的:
- 介绍CoxKAN,一个可解释的生存分析的Cox比例危险Kolmogorov-Arnold网络.
- 解决现有生存模型中性能和可解释性之间的权衡问题.
- 在临床和基因组学数据中实现透明和准确的风险预测.
主要方法:
- 开发了CoxKAN,将Kolmogorov-Arnold网络与Cox比例危险模型集成在一起.
- 在合成数据集上评估了CoxKAN,用于公式恢复和特征选择.
- 在九个现实数据集上测试了CoxKAN,包括临床和基因组学数据.
主要成果:
- 在合成数据上,CoxKAN准确地恢复了可解释的危险函数公式.
- 在真实数据集的C指数中,超过了传统的Cox比例危险模型的高达4%.
- 与深度学习模型的性能相匹配或超越,同时提供符号公式和揭示变量相互作用.
结论:
- 考克斯KAN提供可解释的,高性能生存分析.
- 它提供了对生物标志物影响的明确见解,这对医疗应用至关重要.
- 该模型解决了预测医学透明度的关键需求.
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