计算机科学 ›› 2015, Vol. 42 ›› Issue (6): 50-53.doi: 10.11896/j.issn.1002-137X.2015.06.011
成红红,张晓琴,李飞江,钱宇华
CHENG Hong-hong, ZHANG Xiao-qin, LI Fei-jiang and QIAN Yu-hua
摘要: 决策表属性约简是粗糙集理论中的重要问题,经典决策表属性约简方法从保持论域划分能力的角度出发,选择最优条件属性约简集。从决策属性与条件属性的相关性角度出发,将决策表属性约简思想与传统统计学中的对应分析方法相结合,提出了一种量化决策属性与条件属性之间依赖关系的度量,称为投影区分度,并基于此发展了一种决策表属性约简算法。最后用简单实例说明了该方法的正确性。
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