title: Convert a character in the form of DD-MMM-YY to DD/MM/YY in R
body: <p>I have a dataset I am working on which has dates in the form of DD-MMM-YY i.e. 1st January 2015 is represented as 01-Jan-15. I would like to convert these dates into the form DD/MM/YY i.e. 01/01/15 in R. I have tried using the as.date function but I am not able to do so. 
  Help in any form will be appreciated.</p>