摘要
数据预处理在数据挖掘中占有重要地位,传统的数据归约方法都有其局限性。本文介绍了粗糙集的相关概念及数据预处理的一些知识,并利用区分矩阵求粗糙集中核的思想,提出了一种知识归约的方法,为进一步的数据挖掘做准备。
Data preprocessing is very important in data mining. Some Traditional methods may be invalid in given data base. Rough set as a new tool, has received much attention of researchers around the world. It can deal with in complete and uncertain information. This paper introduces the basic concepts of Rough Set and discusses its applications in data preprocessing.
出处
《信息技术与信息化》
2006年第3期143-145,共3页
Information Technology and Informatization
