Method of attributes discretization in rough sets using information entropy and its application

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (5): 221-224.

• 工程与应用 • Previous Articles Next Articles

Method of attributes discretization in rough sets using information entropy and its application

SHEN Yong-hong,WANG Fa-xing

1.College of Mathematics and Physics，Tianshui Normal University，Tianshui，Gansu 741000，China
2.School of Mathematical Sciences，Fudan University，Shanghai 200433，China

Received:2007-06-11 Revised:2007-08-20 Online:2008-02-11 Published:2008-02-11
Contact: SHEN Yong-hong

基于信息熵的粗糙集属性离散化方法及应用

沈永红,王发兴

1.天水师范学院数理学院，甘肃天水 741000
2.复旦大学数学科学学院，上海 200433

通讯作者: 沈永红

Abstract

Abstract: This paper analyzes particularity of the rough set theory in processing questions，gives a new method of continuous attributes discretization on the basis of the existing findings，and the method will be applied to fault diagnosis.The experimental results show the decision rules have better classification effect in fault diagnosis，which are constructed by this algorithm.

Key words: rough set, information entropy, discretization, reduce, fault diagnosis

摘要： 首先分析了粗糙集理论处理问题的特殊性，在现有研究结果的基础之上给出了一种新的连续属性离散化方法，并将其应用于故障诊断中，通过实验结果表明依据该算法构建的决策规则具有较好的故障诊断分类效果。

关键词: 粗糙集, 信息熵, 离散化, 约简, 故障诊断

SHEN Yong-hong,WANG Fa-xing

. Method of attributes discretization in rough sets using information entropy and its application[J]. Computer Engineering and Applications, 2008, 44(5): 221-224.

沈永红,王发兴. 基于信息熵的粗糙集属性离散化方法及应用[J]. 计算机工程与应用, 2008, 44(5): 221-224.

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Method of attributes discretization in rough sets using information entropy and its application

基于信息熵的粗糙集属性离散化方法及应用

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