title: Round up numbers in gvisTable
body: <p>I am new to googleVis and I simply cannot get it to round up my numbers in my table to upto 2 places of decimal. Any help will be greatly appreciated.</p>
  
  <p>Currently I am using the code </p>
  
  <pre><code>gvisTable(round(data_frame),2)
  </code></pre>
  
  <p>I have tried </p>
  
  <pre><code>gvisTable(data_frame, formats=list(data_frame="##.##"))
  </code></pre>
  
  <p>but has not helped</p>