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针对多属性灰色关联聚类的阈值确定问题,利用决策粗糙集方法,通过引入两个阈值参数定义决策对象间的可能关系和集合;将其代替基于灰色关联聚类的非此即彼关系,构建基于决策粗糙集的多属性灰色关联聚类方法,并采用贝叶斯推理探讨多属性灰色关联聚类的阈值计算机理;最后以案例验证所提方法的有效性和合理性.结果表明,所提出的方法是经典灰色关联聚类的拓展和泛化,能够客观、科学地确定多属性灰色关联聚类阈值.
Aimed at the problem of threshold determination of multi-attribute gray relational clustering, the decision-making rough set method is used to define the possible relations and sets of decision objects by introducing two threshold parameters. Instead of gray-relational clustering, Based on the decision-making rough set multi-attribute gray relational clustering method, and using Bayesian inference to explore the threshold calculation mechanism of multi-attribute gray relational clustering.Finally, the validity and rationality of the proposed method are verified by examples.It shows that the proposed method The method is to expand and generalize the classic gray relational clustering, which can objectively and scientifically determine the multi-attribute gray relational clustering threshold.