ϕ-Divergence in Contingency Table Analysis

The ϕ-divergence association models for two-way contingency tables is a family of models that includes the association and correlation models as special cases. We present this family of models, discussing its features and demonstrating the role of ϕ-divergence in building this family. The most parsimonious member of this family, the model of ϕ-scaled uniform local association, is considered in detail. It is implemented and representative examples are commented on.

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