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JMP Start Statistics, 6th Edition by Sheila Loring, Ann Lehman, Mia L. Stephens, John Sall

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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 (also called a cross tabulation or cross tab) of frequency counts. The contingency table contains 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 ...

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