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A simple diagonals-parameter symmetry and quasi-symmetry model
Authors:Alan Agresti
Institution:Department of Statistics, University of Florida, Gainesville, FL, U.S.A.
Abstract:Goodman (1979) proposed a class of diagonals-parameter symmetry models for square contingency tables with ordered categories, A simple version of that model is considered in which the log odds parameters have a linear pattern. The model is also a simple quasi-symmetry model. It fits well when there is an underlying bivariate normal distribution.
Keywords:Conditional symmetry  ordered categorical data  quasi-symmetry  square contingency table  underlying normality  Bradley-Terry paired comparisons
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