Robert Allison is a development tester for SAS Institute Inc., where he uses SAS products on real-world data and reports problems and feature requests to research and development. A SAS employee and SAS user since the early 1990s, he specializes in SAS/GRAPH and Base SAS (SQL, data steps, merging, transposing, and so on) to prepare the data to be graphed. Robert received his Ph.D. from North Carolina State University and has written and coauthored several papers for SAS Users Group International (SUGI), Regional Conferences, and SAS Global Forum.
