这一点很重要，就是用检测非期望事件或降解方式的方法提出警戒，不是证明讨论批有背离趋势。
It is important to point out that by itself, an alert provided by a method designed to detect unexpected events or degradation patterns is no proof that the batch in question has a deviating trend.
孤立点挖掘又称孤立点分析、异常检测、例外挖掘、小事件检测、挖掘极小类、偏差检测。
The problem of outlier mining has been variously called outlier analysis, anomaly detection, exception mining, detecting rare events, mining rare classes, deviation detection, etc.
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