title: Time Series Plot Python
body: <p>I am using pandas and I want to make a time series plot. I have this dataframe, and I want to plot the date on the x-axis with the number of units on the y-axis. I am assuming I need to convert my date object to a datetime before I can make this plot. </p>
  
  <pre><code>df1_99.dtypes
  
   date            object
   store_nbr        int64
   units            int64
   tavg             int64
   preciptotal    float64
   dtype: object
  
  
  df1_99
          date        store_nbr      units        tavg    preciptotal
   101885 2014-10-13       1          2            49       0.00
   101996 2014-10-14       1          1            67       0.00
   102107 2014-10-15       1          0            70       0.00
   102218 2014-10-16       1          0            67       0.87
   102329 2014-10-17       1          3            65       0.01
  </code></pre>