August 2009
Intermediate to advanced
648 pages
17h 35m
English
book
Categorical Data Analysis Using The SAS® System, 2nd Edition
by Maura E. Stokes, Charles S. Davis, Gary G. Koch
Content preview from Categorical Data Analysis Using The SAS® System, 2nd Edition
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16.2. Two-Way Contingency Tables
16.2.1. Loglinear Model for the 2 × 2 Table
Table 16.1 displays the 2 × 2 table of frequencies resulting from the cross-classification of a row variable X and a column variable Y, each with two levels. Chapter 2 discusses tests and estimators of association for 2 × 2 contingency tables arising from several different sampling frameworks described in Section 2.1. In this chapter, attention focuses on tables representing a simple random sample from one population. Therefore, the cross-classification of the two binary responses X and Y yields a single multinomial distribution with total sample size n and cell probabilities πij displayed in Table 16.2.
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