title: How to draw gauge chart in R?
body: <p>How can I draw the following plot in R?</p>
  <pre><code>Red = 30
  Yellow = 40
  Green = 30 
  
  Needle at 52.
  </code></pre>
  <p><img src="https://i.stack.imgur.com/QlOXO.jpg" alt="gauge chart" /></p>