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title: "检测算法"
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sidebar_label: "检测算法"
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title: "统计学方法"
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sidebar_label: "统计学方法"
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### 统计学异常检测方法
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- k-sigma<sup>[1]</sup>: 即 ***68–95–99.7 rule*** 。***k***值默认为 3,即序列均值的 3 倍标准差范围为边界,超过边界的是异常值。KSigma 要求数据整体上服从正态分布,如果一个点偏离均值 K 倍标准差,则该点被视为异常点.
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|参数|说明|是否必选|默认值|
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