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The attribute reduction and value reduction of rough set were discussed in this paper. The discernibility matrix was extended to value reduction firstly and the attribute significance was redefined based on attribute dependence. An algorithm for classification rules extraction based on discernibility matrix and attribute significance is proposed, which keeps the same classification ability and the...
Data mining is a new method of data analysis, especially very large datasets analysis. Nowadays it is becoming more and more popular in data handling. It is a rapidly growing field, whose development is driven by strong research interests as well as urgent practical, social, and economical needs. However, it generally requires much specialty knowledge. It is not easy for people without specialty knowledge...
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