title: Confusion matrix in linear regression
body: <p>I have actual values and predicted values.</p>
  
  <p>Actual:
  33.3663, 38.2561, 28.6362, 35.6252</p>
  
  <p>Predicted:
  28.9721, 35.6161, 27.9561, 22.6272</p>
  
  <p>I want to apply confusion matrix to find the accuracy. </p>