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A Hybrid Ensemble Equilibrium Optimizer Gene Selection Algorithm for Microarray Data

delete2025-08-10
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P. P. Su
Z
Zhendi Ma
DOI:10.3390/biomimetics10080523delete
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摘要

摘要

En 中文
随着现代医疗技术的进步,基因表达数据的应用已扩展到各个领域,尤其是在癌症诊断和预后监测方面。然而,基因表达数据通常具有高维性,且存在冗余和噪声信息过多的问题,这促使需要有效的策略来缓解维度灾难和过拟合等问题。本研究针对这一问题,提出了一种新颖的混合集成平衡优化器基因选择算法。在第一阶段,采用结合多种过滤器和基于基因相关性的方法进行混合处理,通过评估基因间的冗余与互补关系,选择具有最大信息含量的基因子集。在第二阶段,采用一种融合高斯骨架算法和新型基因剪枝策略的平衡优化器算法,在第一阶段筛选出的候选基因空间内进一步搜索最优基因子集。为验证所提出方法的优势,将其与九种特征选择技术在15个数据集上进行了比较。结果表明,第一阶段中的集成过滤方法表现出较强的稳定性,并能有效缩小基因选择算法的搜索空间。改进后的平衡优化器算法在提升预测精度的同时,显著减少了所选特征的数量。这些发现突显了所提出方法在基因选择中的有效性,是一种有价值的策略。
Keyword:
gene selection
feature reduction
equilibrium optimizer
gene expression data
cancer diagnosis

期刊

B
Biomimetics
IF:
3.9
论文数:
3.3K
被引数:
5.1K

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