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Ｒｏｕｇｈ集理论是一种具有模糊边界的集合理论．它被广泛应用于不相容决策表中的规则提取．本文讨论了基于多元组Ｒｏｕｇｈ集的不相容决策方法，并给出了相应的算法，同时也对不相容规则的相容度作了分析．该方法比普通Ｒｏｕｇｈ集方法更简单、更有效．文中所给出的算法特别适用于具有重复元组的决策表
Rough set theory is a set theory with fuzzy boundaries. It is widely used to extract rules from incompatible decision tables. This paper discusses the incompatible decision-making method based on multivariate Rough sets, and gives the corresponding algorithm, but also analyzes the compatibility of incompatible rules. This method is simpler and more efficient than the ordinary rough set method. The algorithm presented in this paper is especially suitable for decision tables with repeated tuples