SUGI 20 Proceedings Conference Author:Sas Users Group International, SAS Institute Inc. With this book you will learn about all the latest enhancements to SAS System technology as presented at the Twentieth Annual SAS Users Group International (SUGI) conference. It contains all invited and contributed papers, posters, and tutorials presented at SUGI 20. Results of the SASware Ballot, a list of conference registrants, and author and... more » keyword indices are also included.« less