MADM的matlab程序
时间: 2024-02-26 21:49:57 浏览: 155
MADM(Median Absolute Deviation from the Median)是一种用于异常值检测的统计方法。下面是MADM的MATLAB程序示例:
```matlab
% 假设有一个数据向量x
x = [1, 2, 3, 4, 5, 100];
% 计算中位数
median_x = median(x);
% 计算绝对中位数差
mad_x = median(abs(x - median_x));
% 设置阈值
threshold = 2;
% 检测异常值
outliers = x(abs(x - median_x) > threshold * mad_x);
% 输出结果
disp("异常值:");
disp(outliers);
```
该程序首先计算数据向量x的中位数,然后计算绝对中位数差(MAD)。接下来,通过设置阈值,将超过阈值的数据点识别为异常值,并将其输出。
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