基于网格技术的孤立点数据挖掘  

A Grid-based Preprocessing Outlier Detection Algorithm

作　　者：李健宏[1] 李广振[1] 

机构地区：[1]江西科技师范学院现代教育技术中心

出　　处：《南昌大学学报（理科版）》2006年第4期398-401,405,共5页Journal of Nanchang University(Natural Science)

基　　金：江西省科技厅工业攻关项目(LSHX05.01-06.07)

摘　　要：在算法LOF和G ridLOF的基础上提出了改进的GPOD算法,介绍了实行的步骤,给出主要的算法代码,并给出算法的实现部分和实验结果,最后分析了算法的性能,验证了改进后算法的先进性。This paper introduced a new advanced algorithm GPOD based on LoF and GridLOF. The process of mining outliers by GPOD and mainly code were described. A series experiments were executed to test the merits of GPOD and its improvements.

关 键 词：数据挖掘 孤立点 单元网格 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论]