title: How to compute Pearson Correlation between 2 given vectors?
body: <p>I have to code this in C#</p>
  
  <p>Can you explain step by step in the below given example?</p>
  
  <pre><code>vector 1 : [0.3, 0, 1.7, 2.2]
  vector 2 : [0, 3.3, 1.2, 0]
  </code></pre>
  
  <p>Ty very much</p>
  
  <p>This will be used in document clustering</p>