基本概念及方法行列相关也称为列联表相关 ,是由列联表所揭示的特殊类型的相关。列联表中的行和列分别代表两个分类变量。其中列代表第一个分类变量 ,行代表第二个分类变量。两个分类变量可以分别是无序分类变量如二项分类或多项分类变量 ,也可以是有序分类变量即等级资料。列 The basic concepts and methods of row correlation are also known as contingency table correlations, which are special types of correlations exposed by contingency tables. Rows and columns in the contingency table represent two categorical variables, respectively. The column represents the first categorical variable and the row represents the second categorical variable. The two categorical variables can be unordered categorical variables such as binomial or multivariate categorical variables, or they can be ordered categorical variables or hierarchical data. Columns