Measure of Proportional Reduction in Variation for Multi-Way contingency Tables with Multiple Response Variables

Document Type : Original Article

Authors

Dep. of Information Sciences, Faclty of Science & Technology Science University of Tokyo, Japan

Abstract

For a two-way contingency table with an explanatory and a response variables, Tomizawa, Seo and Ebi (1997) proposed a measure which describes the proportional reduction in variation from the marginal distribution to the conditional distributions of the response. Also, Tomizawa and Ebi (1998) extended this measure into a multi-way contingency table with only one response variable (and the multiple explanatory variables). This paper extends these measures into a multi-way contingency table with multiple L (L ≥ 2) response variables (and the multiple explanatory variables), which have nominal categories. Examples are given.

Keywords