title: Increase decimal places in matplotlib pandas python 2.7
body: <p>I have a pandas dataframe that has 6 decimal places that I would like to plot using matplotlib:</p>
  
  <pre><code>980  1.088760
  981  1.088770
  982  1.088770
  983  1.088740
  984  1.088740
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/xwIKJ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/xwIKJ.png" alt="enter image description here"></a></p>
  
  <p>How can I increase it to 6 places without scientific nototion?</p>