title: how to find similar sentences / phrases in R?
body: <p>Example, I have billions of short phrases, and I want to clusters of them that are similar. </p>
  
  <pre><code>&gt; strings.to.cluster &lt;- c("Best Toyota dealer in bay area. Drive out with a new car today",
                          "Largest Selection of Furniture. Stock updated everyday" , 
                          " Unique selection of Handcrafted Jewelry",
                          "Free Shipping for orders above $60. Offer Expires soon",
                          "XXXX is where smart men buy anniversary gifts",
                          "2012 Camrys on Sale. 0% APR for select customers",
                          "Closing Sale on office desks. All Items must go" 
                           )
  </code></pre>
  
  <p>assume that this vector is hundreds of thousands of rows. Is there a package in R to cluster these phrases by meaning? 
  or could someone suggest a way to rank "similar" phrases by meaning to a given phrase. </p>