Abstract
For square contingency tables, some studies have developed the weighted arithmetic mean type measure to represent the degree of departure from the marginal homogeneity. The present paper proposes (1) the cumulative partial marginal homogeneity model which has the weaker restriction than the marginal homogeneity model and (2) the measure to represent the degree of departure from the proposed model. The measure is expressed as a weighted geometric mean of the diversity index. Finally, numerical studies are presented.
Highlights
Consider an r × r square contingency table with the same row and column classifications
The Partial Marginal Homogeneity (PMH) model indicates that the row marginal distribution is identical to the column marginal distribution for at least one i
The measure to represent the degree of departure from the Cumulative Partial Marginal Homogeneity (CPMH) model is proposed as follows:
Summary
Consider an r × r square contingency table with the same row and column classifications. Tomizawa (2001) gave the measure to represent the degree of departure from the MH model for square contingency tables with nominal categories. We propose a new model which has the structure of the cumulative partial marginal homogeneity for an r × r contingency table with ordered categories. We propose the geometric mean type measure to represent the degree of departure from the new model. The measure to represent the degree of departure from the CPMH model is proposed as follows: G1* i G2* i.
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