MSBWO:一个多策略改进的白优化算法用于特征选择
Zhaoyong Fan1, Zhenhua Xiao2, Xi Li1
1School of Information and Artificial Intelligence, Nanchang Institute of Science & Technology, Nanchang 330108, China.
Biomimetics (Basel, Switzerland)
|September 27, 2024
概括
本研究介绍了一种多策略改进的白优化 (MSBWO) 算法,用于增强特征选择. 在机器学习任务中,MSBWO算法表现出卓越的准确性和平衡的探索-利用能力.
科学领域:
- 机器学习 机器学习
- 数据挖掘 数据挖掘
- 优化算法 优化算法
背景情况:
- 功能选择是机器学习和数据挖掘中的一个关键的优化挑战.
- 越来越多地使用metaheuristic方法来提高特征选择的有效性.
- 现有的方法可能会在人口多样性和逃避当地最佳状态方面扎.
研究的目的:
- 提出一个新的多策略改进的白优化 (MSBWO) 算法.
- 增强种群多样性,并提高贝卢加优化 (BWO) 算法的特征选择性能.
- 评估MSBWO与传统和最先进的元启发方法的有效性.
主要方法:
- 整合改进的圆形映射和基于对立的动态学习 (ICMDOBL) 进行人口初始化.
- 集成精英池 (EP),步调适应式Lévy飞行和螺旋更新位置 (SLFSUP) 和金色正弦算法 (Gold-SA) 策略.
- 使用随机森林分类器对IEEE CEC2005测试函数和十个UCI数据集的全面评估.
主要成果:
- 与其他算法相比,MSBWO表现出更高的准确性和在勘探和开采之间更好的平衡.
- 二元MSBWO变体 (BMSBWO) 在UCI数据集上实现了竞争力的分类精度和特征减少.
- ICMDOBL,EP,SLFSUP和Gold-SA战略共同提高了优化能力.
结论:
- 拟议的MSBWO算法在基于元启发的特征选择中提供了显著的进步.
- 在分类任务中,BMSBWO为特征选择提供了强大而有竞争力的解决方案.
- 混合策略有效地解决了复杂特征空间中传统优化方法的局限性.
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