对基于ML的心脏相关疾病分类特征选择的元启发式优化算法的比较分析
Şevket Ay1, Ekin Ekinci1, Zeynep Garip1
1Computer Engineering Department, Faculty of Technology, Sakarya University of Applied Sciences, Sakarya, 54187 Turkey.
这项研究提高了心脏病和心力衰竭的预测,使用元启发式算法进行特征选择,通过机器学习模型实现了高达99.72%的显著改善的F-分数.
科学领域:
- 心血管疾病研究研究
- 机器学习应用 机器学习应用
- 计算智能是一种计算智能.
背景情况:
- 准确预测心脏病和心力衰竭对于及时干预至关重要.
- 传统的机器学习模型经常在最佳特征选择方面扎,影响预测准确度.
- 元启发式算法为复杂的数据集提供了强大的优化能力.
研究的目的:
- 开发一种增强的机器学习模型,用于预测心脏病和心力衰竭.
- 调查心血管数据集特征选择的元启发式算法 (CS,FPA,WOA,HHO) 的有效性.
- 通过识别最有信息的特征子集来提高分类准确性.
主要方法:
- 利用了克利夫兰心脏病和心力衰竭数据集.
- 应用搜索 (CS),花粉算法 (FPA),鱼优化算法 (WOA) 和哈里斯霍克斯优化 (HHO) 用于特征选择.
- 集成了各种机器学习分类器的选定功能,包括K-Nearest Neighbour (KNN),物流回归 (LR),支持矢量机 (SVM),高斯素朴湾 (GNB) 和随机森林 (RF).
主要成果:
- 使用KNN与FPA选择的特征 (8个特征) 实现了99.72%的心脏病预测F-score.
- 使用KNN与HHO选择特征 (5特征) 实现了97.45%的心力衰竭预测F-score.
- 与使用原始数据集的模型相比,预测性能显著改善.
结论:
- 超启发性特征选择大大提高了用于心血管疾病预测的机器学习模型的性能.
- 拟议的方法有效地识别了关键特征,从而提高了分类准确性.
- 这项研究为改善心脏病学诊断和预后模型提供了一个强大的框架.
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