This function creates a design matrix for contingency tables and is particularly useful for log-linear Poisson models. It uses effect coding of the variables: First the rows of the contingency table from top to bottom, then the columns from left to right.
Number of rows of the corresponding contingency table.
Number of columns of the corresponding contingency table.
A (n+p-1) times (n*p) design matrix.
Kuhnt, S.; Rapallo, F.; Rehage, A. (2014) Outlier detection in contingency tables based on minimal patterns. Statistics and Computing 24 (3), 481-491.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.