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Modeling and Multivariate Methods - SAS

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Chapter 7 Performing Logistic Regression on Nominal <strong>and</strong> Ordinal Responses 201<br />

The Logistic Fit Report<br />

Iteration History<br />

After launching Fit Model, an iterative estimation process begins <strong>and</strong> is reported iteration by iteration. After<br />

the fitting process completes, you can open the Iteration report <strong>and</strong> see the iteration steps.<br />

Figure 7.2 Iteration History<br />

The Iterations history is available only for Nominal Logistic reports.<br />

Whole Model Test<br />

The Whole Model table shows tests that compare the whole-model fit to the model that omits all the<br />

regressor effects except the intercept parameters. The test is analogous to the Analysis of Variance table for<br />

continuous responses. The negative log-likelihood corresponds to the sums of squares, <strong>and</strong> the Chi-square<br />

test corresponds to the F test.

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