缺失数据的处理和挑战

The Handling and Challenge for Missing Data

在数据挖掘研究中,缺失数据是一个非常普遍的问题,如何处理缺失数据也是一个热门的研究领域.介绍了缺失数据产生的原因,分类总结了缺失数据的处理方法,最后,提出了处理缺失数据的一些挑战性课题。

Missing data is a popular problem in data mining. How to handle missing data still is a hot topic. This paper in- troduces the cause of generating missing data, and also analyzes how to deal with missing values. Finally, we put forward some challengeable topics on dealing with missing data.