title: Updating dataSet with flot resets data
body: <p>I've got a flot chart that I want to dynamically update via AJAX.</p>
  
  <p>I can render the chart initially, but whenever I try to update the dataSet and redraw the chart, it resets all my data points:</p>
  
  <pre><code>plot.setData(dataSet);
          plot.draw();
  </code></pre>
  
  <p>I have tried this with several different array setups, and it seems like I am passing it the right data—the chart just doesn't take.</p>
  
  <p>Anyone have any ideas?  Thanks!</p>
  
  <p><a href="http://datasift.islsandbox.com/" rel="noreferrer">http://datasift.islsandbox.com/</a></p>
  
  <p>This example uses WebSockets, so a WebKit browser is your best bet for testing.</p>