Abt Associates: Bold thinkers driving real-world impact
With a nearly 50-year record of excellence, we are known for innovative approaches to random assignment studies and computer-assisted data collection, among other areas. We offer clients two ways to meet their different survey needs:
What Do We Do?
What Distinguishes Us?
IBF SAS Macro, version 1 This version works fine under SAS v9.2. but older versions may give a slightly distorted RTF tables.
IBF SAS Macro, version 2 This version works under any SAS version. The output is written to a routine LST file.
Extreme Survey Weight Adjustment as a Component of Sample Balancing (a.k.a. Raking)
A SAS Macro for Balancing a Weighted Sample
Abt Associates is a mission-driven, global leader in research and program implementation in the fields of health, social and environmental policy, and international development. Known for its rigorous approach to solving complex challenges, Abt Associates is regularly ranked as one of the top 20 global research firms and one of the top 40 international development innovators. The company has multiple offices in the U.S. and program offices in more than 40 countries.