Wickham, Hadley, <br/><br/>
R for data science :  import, tidy, transform, visualize, and model data / 
Hadley Wickham and Garrett Grolemund 
 - xxv, 492 pages :  illustrations (some color) ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781491910399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>R (Computer program language)<br/>Data mining<br/>Information visualization