Kohler, Ulrich <br/><br/>
Data analysis using stata / 
Ulrich Kohler, Frauke Kreuter 
 - 3rd ed. 
 - College Station, Tex. :  Stata Press,  c2012 
 - xxvi, 497 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. [477]-482) and indexes 
<br/><br/><label>ISBN: </label>9781597181105 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics--Data processing<br/>Mathematical statistics--Data processing