John Cantrell

University of North Carolina
Health Policy & Administration
Phone:  (919)843-6495
Email:  john_cantrell@unc.edu
1107E McGavran-Greenberg
CB# 7411
Chapel Hill, NC 27599-7411

In my paper Preventing data loss when combining SAS datasets (see proceedings of the PharmaSUG 2005 conference), I discuss a little known way to loose data when combining tables using SAS, along with measures to prevent this kind of data loss. For more information, click the links below.

PharmaSUG 2005 Slideshow

SAS macro verifyVariables.

SAS program demonstrating data loss through truncation.