title: Convert Pandas dataframe to time series
body: <p>I have a Pandas DataFrame:</p>
  
  <pre><code>Out[57]: 
        lastrun           rate
  0   2013-11-04 12:15:02   0
  1   2013-11-04 13:14:50   4
  2   2013-11-04 14:14:48   10
  3   2013-11-04 16:14:59   16
  </code></pre>
  
  <p>I would like to convert that into an hourly time series and interpolate missing values (15:00) so that I end up with:</p>
  
  <pre><code>2013-11-04 12:00:00   0
  2013-11-04 13:00:00   4
  2013-11-04 14:00:00   10
  2013-11-04 15:00:00   13
  2013-11-04 16:00:00   16
  </code></pre>
  
  <p>How do I convert / map the dataframe data to a time series in Pandas?</p>