Firstly, decision table reduction in the process of data mining, including attribute reduction and attribute value reduction, is studied in this thesis.
本文首先深入研究了粗糙集数据挖掘中的决策表约简问题,包括属性约简和属性值约简。
参考来源 - 粗糙集数据挖掘方法及其在相关决策问题中的应用Aiming at the decision table reduction, attribution reduction method based on priority of attribution is proposed. Incorporated with the attribution value reduction, it obtains the reduct of decision table and extracts succinct diagnosis rules promptly.
针对决策表约简这一NP难问题,提出基于属性优先级的决策表属性约简算法和值约简算法,快速地得到决策表的最小约简,形成故障诊断规则。
参考来源 - 配电网故障诊断与快速供电恢复算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Through examples, it shows that attribute reduction of an inconsistent decision table cannot entirely be represented by conditional information quantity.
并举例说明，对于不一致决策表，其属性约简的代数表示不能用条件信息量来等价表示。
Through examples, it shows that attribute reduction of an inconsistent decision table cannot entirely be represented by information quantity.
并举例说明，对于不一致决策表，其属性的约简不能用信息量来等价表示。
In this paper, a novel decision table discretization algorithm is presented, which has fine attribute reduction function in time of data discretization and increases quality of classification.
本文提出了一个新的决策表离散化算法，该算法在离散化数据的同时具有良好的属性约简功能。
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