Apr 18, 2016 · SUDAAN procedures properly account for correlated observations, clustering, weighting, stratification, and other complex design features—making them ideal for efficiently and accurately analyzing data from surveys and experimental studies.

SUDAAN (an acronym for "Survey Data Analysis" [1]) is a proprietary statistical software package for the analysis of correlated data, including correlated data encountered in complex sample surveys. [2] SUDAAN originated in 1972 at RTI International (the trade name of Research Triangle Institute). Individual commercial licenses are sold for ...

There are eight analysis procs in SUDAAN. All of your data management must be done in another package. Because we are using SAS-callable SUDAAN, we will assume that you will do your data management in SAS, and we assume that you are familiar with the basics of doing data management in SAS.

Produces nonresponse and poststratification sample weight adjustments using a calibration approach to selection modeling (when there is nonresponse or known coverage errors) and sample balancing.

Designed and developed at RTI International, SUDAAN® is an internationally recognized statistical software package that specializes in providing efficient and accurate analysis of data from complex studies.

Aug 7, 2012 · RESEARCH TRIANGLE PARK, N.C. – RTI International has released version 11 of its internationally recognized statistics software program, SUDAAN. Designed and developed at RTI, SUDAAN provides efficient and accurate analysis of data from complex surveys and experimental studies.

SUDAAN procedures are used to analyze data from complex sample surveys and other observational and experimental studies involving repeated measures and cluster-correlated data. Included in SUDAAN are procedures for descriptive statistics and regression modeling.

Release 8.0 of Sudaan is the current version (see list of enhanced features ). SUDAAN is available under annual site licenses. Annual academic site license renewal prices range from $60 to $385 per user (depending on volume), with new licenses costing about twice as much.

Apr 2, 2025 · RTI International is excited to announce the release of Python-callable SUDAAN. A Python-wrapper permits using SUDAAN from within a Python program. Users may develop and run SUDAAN procedures interactively within a Python Integrated Development Environment or run SUDAAN procedures using Python batch submission.

Mar 26, 2024 · SUDAAN procedures properly account for correlated observations, clustering, weighting, stratification, and other complex design features—making them ideal for efficiently and accurately analyzing data from surveys and experimental studies.