摘要
获取决策表规则时,通常需要进行属性约简和属性值约简。该文分析属性值约简,针对协调决策表提出一种通过构造决策矩阵直接获取最简规则的方法。将原来考虑条件属性集和决策属性集决定的等价类之间的关系,转变为仅考虑决策矩阵同行元素之间的代数关系。通过实例验证了该方法的可行性。
Acquisition of decision table rule usually needs two steps which are attribute reduction and attribute value reduction. This paper analyses attribute value reduction, and presents a method to acquire briefest rules directly by constructing decision matrix in consistent decision table. This method transforms original considering equivalent relation between condition attribute and decision attribute into considering algebra relation of elements in sameness line in decision matrix. The effectiveness of the algorithm is validated in an example.
出处
《计算机工程》
CAS
CSCD
北大核心
2008年第19期41-43,共3页
Computer Engineering
基金
国家自然科学基金资助项目(10661007)
江西省自然科学基金资助项目(0611009)
华东交通大学校立科研基金资助项目(07JC05)
关键词
粗糙集
属性值约简
最简规则
决策矩阵
rough set
attribute value reduction
briefest rule
decision matrix
