Abstract #301398

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JSM 2002 Abstract #301398
Activity Number: 287
Type: Contributed
Date/Time: Wednesday, August 14, 2002 : 8:30 AM to 10:20 AM
Sponsor: General Methodology
Abstract - #301398
Title: A New Test For Homogeneity
Author(s): Michael Brimacombe*+
Affiliation(s): New Jersey Medical School - UMDNJ
Address: 185 S. Orange Ave (MSB F-506), Newark, New Jersey, 07103, USA
Keywords: homogeneity ; Hardy-Weinberg ; likelihood test ; Bayesian ; contingency tables
Abstract:

A new test for homogeneity across levels of a stratifying variable is developed and applied. The approach uses a refinement of the Bayesian approach to assessing likelihood-based departure. Applications to standard contingency tables, as well as genetic settings, are examined. The test is not affected by sample size considerations beyond those implicit in likelihood determination and is exact in the presence of small cell counts.

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