title: Convert String dates to Date in R
body: <p>I have a dataframe that contains dates as String like</p>
  
  <pre><code>1    Aug 10, 2018
  2    Aug 13, 2018
  3    Aug 9,  2018 
  4    Jan 23, 2018
  5    Aug 31, 2018
  6    Jan 29, 2018
  </code></pre>
  
  <p>How can i get this to display as:</p>
  
  <pre><code>1   10/08/2018 #I'm european
  2   13/08/2018
  3   09/08/2018
  4   23/01/2018
  </code></pre>
  
  <p>etc.</p>
  
  <p>So that it become the date datatype instead of String. </p>