计算机科学 ›› 2014, Vol. 41 ›› Issue (12): 148-150.doi: 10.11896/j.issn.1002-137X.2014.12.031
翟俊海,万丽艳,王熙照
ZHAI Jun-hai,WAN Li-yan and WANG Xi-zhao
摘要： 在经典粗糙集中,基于重要度的决策表属性约简算法只考虑了决策属性与条件属性之间的依赖度,没有考虑约简中条件属性之间的相关性,由此求出的约简中可能依然包含冗余属性。针对这一问题,提出了一种改进算法,它利用最小相关性和最大依赖度准则求决策表属性约简。与基于重要度的决策表属性约简算法相比,本算法求出的约简包含的属性个数少、冗余小。实验结果显示,本算法优于基于重要度的决策表属性约简算法。
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