title: Angular 2 Input NgModel converting String to number
body: <p>I have the following inputs.</p>
  
  <pre><code> &lt;input type="radio" id="someId" name="someName" value="1" [(ngModel)]="someArray]"/&gt;
  &lt;input type="radio" id="someId" name="someName" value="2" [(ngModel)]="someArray]"/&gt;
  &lt;input type="radio" id="someId" name="someName" value="3" [(ngModel)]="someArray]"/&gt;
  </code></pre>
  
  <p>The are getting stored to array as ["1", "2", "3"] as strings. I need them to store to the array as integers. How can I achiveve this?</p>