基于反向k近邻过滤异常的群数据异常检测

吴金娥, 王若愚, 段倩倩, 李国强, 琚长江

Collective Data Anomaly Detection Based on Reverse k-Nearest Neighbor Filtering

WU Jin’e, WANG Ruoyu, DUAN Qianqian, LI Guoqiang, JÜ Changjiang

图2 日交易数据分布直方图(第156天)

Fig.2 Distribution histogram of daily trading data (156th day )