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Imputing Missing Values for Mixed Numeric and Categorical Attributes Based on Incomplete Data Hierarchical Clustering

机译:基于不完整数据层次聚类的混合数值和分类属性的缺失值插补

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摘要

Missing data imputation is a key issue of data pre-processing in data mining field. Though there are many methods for missing value imputation, almost each of these imputation methods has its limitation and is designed for either numeric attributes or categorical attributes. This paper presents IMIC, a new missing value Imputation method for Mixed numeric and categorical attributes based on Incomplete data hierarchical clustering after the introduction of a new concept Incomplete Set Mixed Feature Vector (ISMFV). The effect of the new method is valuated through the comparison experiment using 3 real data sets from UCI.
机译:丢失数据归因是数据挖掘领域中数据预处理的关键问题。尽管缺失值插补的方法很多,但几乎每种插补方法都有其局限性,并且设计用于数值属性或类别属性。引入新概念不完整集混合特征向量(ISMFV)之后,本文提出了IMIC,一种基于不完整数据层次聚类的混合数字和类别属性缺失值插补方法。通过使用UCI的3个真实数据集进行比较实验,评估了新方法的效果。

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