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文章 2018-06-21 来自：开发者社区

粒子群优化算法(PSO)之基于离散化的特征选择(FS)（四）

作者：Geppetto 前面我们介绍了特征选择(Feature Selection，FS)与离散化数据的重要性，介绍了PSO在FS中的重要性和一些常用的方法、FS与离散化的背景，介绍了EPSO与PPSO方法。今天我们将介绍与实验相关的细节，包括数据集、用于与我们方法进行比较的基线方法、参数设置、终止标准以及实验的硬件配置。 A．实验设计 (1) 数据集为了在高维数据上测试PPSO的性...

文章 2018-05-21 来自：开发者社区

粒子群优化算法(PSO)之基于离散化的特征选择(FS)（三）

作者：Geppetto 前面我们介绍了特征选择(Feature Selection，FS)与离散化数据的重要性，总览的介绍了PSO在FS中的重要性和一些常用的方法，介绍了FS与离散化的背景，介绍本文所采用的基于熵的切割点和最小描述长度原则(MDLP)。今天我们来学习利用PSO来进行离散化特征选择的一些方法。今天我们会介绍EPSO与PPSO。 EPSO和PPSO都遵循图一所示的基本步骤。初始化...

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