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title: "检测算法"
sidebar_label: "检测算法"
title: "统计学方法"
sidebar_label: "统计学方法"
---
### 统计学异常检测方法
- k-sigma<sup>[1]</sup>: 即 ***689599.7 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.
|参数|说明|是否必选|默认值|