title: Default radio button select value angular material 2
body: <p>I am working on angular material 2 radio button following this documentation:<a href="https://material.angular.io/components/component/radio" rel="noreferrer">https://material.angular.io/components/component/radio</a>.</p>
  
  <p>The problem that I am facing is to have the radio button a default selected value of <code>No</code>. If you see in the plunker:<a href="https://plnkr.co/edit/jdRxVLdSfFqR4XOdpyUN?p=preview" rel="noreferrer">https://plnkr.co/edit/jdRxVLdSfFqR4XOdpyUN?p=preview</a> you will find that none of the options are selected. I would want the default value to be <code>No</code> when the page loads. </p>