摘要
在总结分析现有规则提取算法的基础上,提出了一种新的带覆盖度和置信度因子的两阶段规则提取算法,以解决噪音数据产生的噪音规则问题,并提出了一个衡量算法有效性的指标——支持度。实例表明,该算法能够有效地去除噪音规则,使提取出的规则更加精练实用。
The current rule extraction algorithms are summarized. A two-stage rule extraction algorithm is proposed. This algorithm has covering and confidence factors to eliminate noise rules produced by noise data. Supporting degree is presented to measure the algorithm validity. Through running an example, the algorithm is shown to be able to eliminate noise rules and make the rules extracted simpler and more practical.
出处
《计算机工程》
EI
CAS
CSCD
北大核心
2006年第3期60-61,共2页
Computer Engineering
关键词
粗糙集
规则提取
噪音规则
支持度
Rough sets
Rule extraction
Noise rules
Supporting degree
