Diagonals-parameter symmetry model and its property for square contingency tables with ordinal categories

05/14/2023
by   Kouji Tahata, et al.
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Previously, the diagonals-parameter symmetry model based on f-divergence (denoted by DPS[f]) was reported to be equivalent to the diagonals-parameter symmetry model regardless of the function f, but the proof was omitted. Here, we derive the DPS[f] model and the proof of the relation between the two models. We can obtain various interpretations of the diagonals-parameter symmetry model from the result. Additionally, the necessary and sufficient conditions for symmetry and property between test statistics for goodness of fit are discussed.

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