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Modeling and Multivariate Methods - SAS

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Chapter 16 Performing Choice <strong>Modeling</strong> 419<br />

Example: Valuing Trade-offs<br />

Figure 16.20 Laptop Likelihood Ratio Test Results With Subject Data<br />

Selecting Joint Factor Tests from the platform menu gives the table shown in Figure 16.21 on page 419.<br />

Notice that both Gender <strong>and</strong> Job are significant.<br />

Figure 16.21 Joint Factor Test for Laptop<br />

Selecting Effect Marginals from the platform menu displays the table shown in Figure 16.22. The marginal<br />

effects of each level for each factor are displayed. Notice that the marginal effects for each factor across all<br />

levels sum to zero.<br />

Figure 16.22 Marginal Effects for Laptop

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