title: Replicate entries in DataFrame in R
body: <p>I have a dataframe of company names: (names)</p>
  
  <pre><code>               names
   1               3M CO
   2 ABBOTT LABORATORIES
   3          ABBVIE INC
   4       ACCENTURE PLC
   5             ACE LTD
   6         ACTAVIS PLC
  </code></pre>
  
  <p>I want to replicate each entry 5 times so I have:</p>
  
  <pre><code>               names
   1               3M CO
   1               3M CO
   1               3M CO
   1               3M CO
   1               3M CO
   2 ABBOTT LABORATORIES
   2 ABBOTT LABORATORIES
   2 ABBOTT LABORATORIES
   2 ABBOTT LABORATORIES
   2 ABBOTT LABORATORIES
   3          ABBVIE INC
   3          ABBVIE INC
   3          ABBVIE INC
   3          ABBVIE INC
   3          ABBVIE INC
    ......
  </code></pre>
  
  <p>I have tried append, and rep but think I may need a for loop?</p>