擅长:python、mysql、java
<p>可以使用<code>scipy</code>中的<code>import multivariate_normal</code>。假设我们创建随机变量<code>x</code>和<code>y</code>:</p>
<pre><code>from scipy.stats import multivariate_normal
rv_mean = [0, 1] # mean of x and y
rv_cov = [[1.0,0.5], [0.5,2.0]] # covariance matrix of x and y
rv = multivariate_normal.rvs(rv_mean, rv_cov, size=10000)
</code></pre>
<p>你有来自<code>rv[:,0]</code>的<code>x</code>和来自<code>rv[:,1]</code>的<code>y</code>。相关系数可以从</p>
<pre><code>import numpy as np
np.corrcoef(rv.T)
</code></pre>