文档介绍：第33卷第1期 2004年2月信息与控制 InformationandControl , Feb.,2004 文章编号:1002-0411(2004)01-.0018-05 基于可变精度粗糙集理论的粗糙规则挖掘算法陶志,许宝栋,汪定伟,李冉( I10004;,辽宁沈阳I10034) 摘要:,应用遗传算法求取相对属性约简,然后根据所给阈值导出粗糙规则集,,,该算法是规则挖掘的有效方法. 关键词:变精度粗糙集;粗糙规则集;规则挖掘算法,弱完全一致;阈值稳定区间中图分类号:TP18 文献标识码:B RoughRulesMiningApproachBasedonVariablePrecisionRoughSetTheory TAOZhi’ XUBao—dong’,WANGDing—wei’ LIRan’(&Engineering,NortheasternUniversity。Shenyang110004,China; ,Shenyang110034。China} Abstract:Aroughrulesminingapproachbasedonvariableprecisionroughsettheoryisproposedinthispaper WithuncertainmeasurementofroughrulessetIrelativeattributereductionisobtainedbyapplyingGA,andthen - vingknowledgeminingproblems. Keywords:variableprecisionroughset;roughrulesset;rulesminingapproach;ordance; thresholdvaluestableinterval 1引言(Introduction) 粗糙集理论作为一种不确定性数据处理方法, ,,目前已成为智能计算领域的研究热点,并在故障