Chapter 12. Categorical Models
Overview
Chapter 11, "Categorical Distributions," introduced the distribution of a single categorical response. You were introduced to the Pearson and the likelihood ratio chi-square tests and saw how to compare univariate categorical distributions.
This chapter covers multivariate categorical distributions. In the simplest case, the data can be presented as a two-way contingency table of frequency counts, with the expected cell probabilities and counts formed from products of marginal probabilities and counts. The chi-square test again is used for the contingency table and is the same as testing multiple categorical responses for independence.
Correspondence analysis is shown as a graphical technique useful when the ...
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