This hierarchical reduction approach extends the simple classified attributes reduction to attributes selection and attributes reduction.
该算法使分层递阶约简算法从简单的属性分层处理拓展至属性选择和属性压缩处理。
参考来源 - 粗糙集理论分层递阶约简算法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
分层递阶约简算法在某水泥窑炉控制决策获取中的应用证实其有效性。
The application in acquiring the control decision of a cement kiln shows the validity of the hierarchical reduction approach.
拓展算法三：引入统计筛选和线性判别分析相结合的分层递阶约简算法。
Extended approach three: a hierarchical reduction approach is imported, which is based on the combination of statistical feature selection and linear discriminant analysis.
本文模拟人类认知的分层递阶原则，提出一种粗糙集理论的分层递阶约简算法。
Simulating the hierarchical principle of human cognizance process, a hierarchical reduction algorithm of rough set theory is proposed in this paper.
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