matlab 全局莫兰指数
时间: 2023-07-30 19:08:30 浏览: 344
在Matlab中,可以使用以下代码计算全局莫兰指数:
```matlab
function moran_I = global_moran_index(x, w)
n = length(x);
wx = w * x;
wx_mean = mean(wx);
x_mean = mean(x);
x_var = var(x);
w_sum = sum(w(:));
numerator = sum((x - x_mean) .* (wx - wx_mean));
denominator = sum((x - x_mean).^2);
moran_I = (n / (x_var * w_sum)) * (numerator / denominator);
end
```
其中,x是观测值向量,w是空间权重矩阵。该函数会返回全局莫兰指数的值。\[1\]
请注意,这只是一个计算全局莫兰指数的示例函数,具体的实现可能会因研究目的和数据类型而有所不同。
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