For the data with quantitative attribute, several unsupervised discretization methods of continuous features are discussed. Three simple boolean discretization methods (equal width, equal frequency and cluster) and fuzzy discretization are simulated based on a real population statistical database.
随后针对数据库中的模拟量属性，分析了非监督定量属性离散化的几种方法，在一个统计数据库基础上仿真研究了分别基于等宽、等频和聚类的布尔型分段离散化方法和模糊离散化方法。
参考来源 - 关联规则挖掘及其在复杂工业过程控制中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
该评估算法用云理论实现定性属性值和定量属性值之间的转换。
The method uses cloud theory to implement the transition between qualitative values and quantitive values.
对于属性区域内部的定量属性抽样值，则建立了抽样值的相关函数表达式。
Correlation functions between sample values in attribute data are used to measure data sampling errors quantitatively.
对决策属性中定量属性的证据处理以及不同定性属性不同辨识框下的情况进行了讨论。
Then the evidence processing of the quantitative attributes and qualitative attributes with different frames of discernment is discussed.
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