unusual events
vibration: 振动
Density estimation:
Gaussian(normal) Distribution.
standard deviation: 标准差
variance deviation
sigma
Mu
Parameter estimation
Anomaly detection algorithm
少量异常样本点的处理经验
algorithm evaluation
skewed datatsets: 倾斜数据集
Anomaly detection vs. supervised learning
Choose feature
- Non-gaussian features
Choosing features
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