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Power-divergence-type measure of departure from diagonals-parameter symmetry for square contingency tables with ordered categories 

Authors: Sadao Tomizawa a;  Nobuko Miyamoto a; Shunsuke Yamane a
Affiliation:   a Department of Information Sciences, Faculty of Science and Technology, Tokyo University of Science, Noda City, Chiba, Japan
DOI: 10.1080/02331880500031464
Publication Frequency: 6 issues per year
Published in: journal Statistics, Volume 39, Issue 2 April 2005 , pages 107 - 115
Formats available: HTML (English) : PDF (English)
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Abstract

For the analysis of square contingency tables with ordered categories, Goodman considered the diagonals-parameter symmetry (DPS) model. This paper proposes a measure to represent the degree of departure from the DPS model. The proposed measure is expressed by applying Read and Cressie's power-divergence or Patil and Taillie's diversity index. The measure would be useful for comparing the degree of departure from the DPS model in several tables. Examples are given.
Keywords: Diversity index; Kullback-Leibler information; Measure; Power-divergence; Shannon entropy; Symmetry
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