Wickham, Hadley. <br/><br/>
Ggplot2 :  elegant graphics for data analysis / 
Hadley Wickham. 
 - New York, N.Y. :  Springer,  c2009. 
 - 212 p. :  ill. (some col.). 
 - Use R! .
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9780387981406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graphic methods.<br/>R (Computer program language)
<br/><br/><label>LC Class. No.: </label>QA90  / W524G