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Several inference procedures are discussed for the partial symmetry and the complete symmetry in a two-dimensional contingency table. The inference procedures proposed in the present paper is firstly ...to select a model fitted to observed frequencies, and secondly to estimate the parameters of the selected model. Such procedures are also called those of the preliminary test estimation in the situation that an estimation follows a testing. We consider here the optimality of significance levels for the inference procedures based on the theory of minimax regret, and compare the optimal significance level with that based on AIC. Finally we propose a weighted estimate method for a contingency table, as a modification of the preliminary test estimation.続きを見る
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