从不平衡的数据中学习:集成先进的重新采样技术和机器学习模型,以提高癌症诊断和预后
1Department of Management Information Systems, Faculty of Economics and Administrative Sciences, Karadeniz Technical University, 61080 Trabzon, Turkey.
Cancers
|October 16, 2024
概括
再抽样方法显著提高了对不平衡数据集的癌症分类性能. 像SMOTEENN这样的混合方法实现了98.19%的准确性,超过了基线模型,并有助于癌症诊断和预后.
科学领域:
- 机器学习 机器学习
- 生物信息学是一种生物信息学.
- 计算生物学 计算生物学
背景情况:
- 阶级不平衡是癌症数据集中的一个重大挑战.
- 准确的分类对于癌症诊断和预后至关重要.
研究的目的:
- 评估癌症数据集上的分类算法和重新采样方法.
- 解决诊断和预后数据中的阶级不平衡问题.
主要方法:
- 分析了五个癌症数据集 (3个诊断,2个预后).
- 在三个类别中采用了19种重新采样方法.
- 利用来自四个不同的类别的10个分类器进行比较.
主要成果:
- 混合采样方法,特别是SMOTEENN,实现了最高的平均性能 (98.19%).
- 随机森林 (94.69%) 是表现最好的分类器,其次是平衡随机森林和XGBoost.
- 与基线 (91.33%的性能) 相比,重新采样技术显著改善了模型结果.
结论:
- 再抽样方法对于提高不平衡癌症数据集的分类至关重要.
- 研究结果为整合机器学习在癌症护理中的应用提供了洞察力.
- 建议进一步研究混合模型和临床应用,以改善癌症诊断和预后.
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