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多类别属性的定序分类模型

DOI: 10.13190/jbupt.200903.113.zhuhd, PP. 113-117

Keywords: 粗糙集,不可区分关系,定序分类问题,粗糙近似

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Abstract:

经典粗糙集方法是通过不可区分关系来获取知识的,但它对定性属性、定量属性以及准则属性同时出现的定序分类问题就显得无能为力。针对这种情况,给出一种基于扩展粗糙集的决策分析方法,该方法使用“不可区分-相似-优势”关系代替经典粗糙集中的不可区分关系来获取知识的粗糙近似,不但能够解决上述问题而且还能处理决策表中可能存在的不一致现象。最后通过一个实例说明新方法的有效性与优越性。

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