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Modeling and Multivariate Methods - SAS

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430 Performing Choice <strong>Modeling</strong> Chapter 16<br />

Special Data Rules<br />

7. Click on the disclosure icon for Subject Data > Select Data Table > Lung Cancer Choice.jmp > OK.<br />

8. Add Smoker as the model effect. The Subject Data launch dialog box is shown in Figure 16.36.<br />

Figure 16.36 Subject Data for Lung Cancer Example<br />

9. Uncheck Firth Bias-adjusted Estimates <strong>and</strong> Run Model.<br />

Choice <strong>Modeling</strong> results are shown in Figure 16.37.<br />

Figure 16.37 Choice <strong>Modeling</strong> Logistic Regression Results for the Cancer Data<br />

Compare these results with those of logistic regression under the Fit Model platform:<br />

• Open Lung Cancer.jmp in the sample data directory.<br />

• Select Analyze > Fit Model. Automatic specification of the columns is: Lung Cancer for Y, Count for<br />

Freq, <strong>and</strong> Smoker for Add under Construct Model Effects. The Nominal Logistic personality is<br />

automatically selected.<br />

• Click on Run Model. The nominal logistic fit for the data is shown in Figure 16.38.

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