title: How to set radio button by default in angular 4.0?
body: <p>I am currently using angular 4.0. I have two radio buttons, how to set some radio button by default.</p>
  
  <pre><code>    &lt;div class="row" style="margin-top: 5px;margin-left: 5px;"&gt;
           &lt;input type="radio" value="timeShift" (click)="selectOption($event)" ngModel="mValue" &gt; TIMESFTO &amp; TIMESFT1
  &lt;/div&gt;
  &lt;div class="row" style="margin-top: 5px;margin-left: 5px;"&gt;
      &lt;input type="radio" value="rsh" (click)="selectOption($event)" ngModel="mValue" checked="checked"&gt; RSH1
  &lt;/div&gt;
  </code></pre>