Hui, Francis K.C.; Geenens, Gery - In: Journal of Multivariate Analysis 112 (2012) C, pp. 130-144
When analyzing a two-way contingency table, a preliminary question is often whether the categorical variables under study, say R and S, are independent or not. Suppose now that for each individual in the table, a continuous variable X is also known. It is then worth analyzing the table...