SOCSLP: Software for Optimal Controlled Selection Linear Programming

Survey Methodology Program
Survey Research Center, Institute for Social Research
University of Michigan

Sun Woong Kim
Steven G. Heeringa
Peter W. Solenberger

SOCSLP is a public-use SAS-based procedure implementing the suggested algorithm in the paper "Optimizing Solutions Sets in Two-way Controlled Selection Problems" by Kim, Heeringa, and Solenberger (Proceedings of the Section on Survey Research Methods of the American Statistical Association, 2002). It provides the following as a solution to a controlled selection problem:

• The original frequency table (target frequency matrix).
• The solution from the SAS Proc LP procedure.
• The tables of all samples that meet the frequency criteria.
• The tables of the samples selected by the linear programming procedure.
• The final sample.

SOCSLP is currently available for personal computers using the Microsoft Windows and Linux operating systems. It requires SAS version 6.12 or higher.

SOCSLP is freeware. The University of Michigan retains the copyright for SOCSLP and authorizes its use free of charge. See the SOCSLP License Agreement for details. Please report bugs or send comments to Peter Solenberger or Sun Woong Kim.

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Last updated 2 August 2007