Developing Methods for Complex Sample Surveys

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: 1 N43 AA42005-00,
Agency Tracking Number: 24749
Amount: $731,082.00
Phase: Phase II
Program: SBIR
Awards Year: 1995
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Analysis And Simulation, Inc.
1 American Park, 172 Holtz Roa, Buffalo, NY, 14225
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Sol Kaufman
 (716) 632-4932
Business Contact
Phone: () -
Research Institution
N/A
Abstract
EIFACS (Expanded Integrated Facility for Analysis of Complex Surveys) will provideepidemiologists at NIAAA and other researchers with the capability to perform valid multivariatestatistical analyses on survey data involving complex sampling designs in an easy-to-use windowed PCenvironment. Variance estimation will utilize Taylor series linearization, jackknife, and, possibly,bootstrap techniques. Essentially any practical sampling design can be accommodated (up to seven nestvariables). Analysis procedures envisioned include Weighted Kappa, Fourfold Tables (including tablestratification), discriminant analysis, survival analysis, cluster analysis, and structural equation modeling.The effort capitalizes on the existence of IFACS (Integrated Facility for Analysis of Complex Surveys),which has taken major steps in the ultimate direction planned for EIFACS. Phase I results will includealgorithmic development of the various new or augmented procedures, along with their varianceestimation methods; a Monte Carlo test facility (to verify validity/reliability of the procedures andvariance estimation); and improved design of the windowed interface for user navigation through theavailable input, procedure execution, and output functions. Phase I output will provide a clear definitionof all new and modified procedures at the algorithmic level for actual implementation into computer codeduring Phase II. Phase I will also provide a partial demonstration of a procedural augmentation togenerate confidence in the ultimate success of the effort.

* information listed above is at the time of submission.

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