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Modeling and Multivariate Methods - SAS

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624 Visualizing, Optimizing, <strong>and</strong> Simulating Response Surfaces Chapter 24<br />

Profiling Models Stored in Excel<br />

Figure 24.78 Example of the Profiler Using Excel Models<br />

Using Linear Constraints<br />

Within the JMP Profiler, you can alter the linear constraints in order to restrict the model input values. You<br />

are prompted to save the constraints to the Excel workbook. After constraints are saved to the Excel<br />

workbook, whenever the model is profiled from the Excel Add-In, the constraints are incorporated.<br />

1. From the red triangle menu next to Prediction Profiler, select Alter Linear Constraints.<br />

2. Click Add Constraint.<br />

3. Type in the constraining values.<br />

4. Click OK.<br />

5. From the red triangle menu next to Prediction Profiler, select Save Linear Constraints.<br />

You are prompted to save the constraints to the Excel workbook.<br />

6. Click Yes.<br />

Note: When you save the .xls file in Excel 2007, you might see a compatibility error. If so, click Continue<br />

to save the file.<br />

The workbook opens in Excel. When you run the model, the constraints are reflected in the JMP Profiler.<br />

For more information about linear constraints, see “Linear Constraints” on page 575.<br />

Tip: To delete a linear constraint, set all constraint values to zero.<br />

Resolution of Profile Lines<br />

The Default N Levels option on the red triangle menu next to Prediction Profiler affects the resolution of<br />

the profile lines. Note the following information:<br />

• This option defaults to 17 when the Profiler runs a model stored in Excel.<br />

• This option defaults to 41 when the model is stored directly in JMP.<br />

If the same model is stored in both Excel <strong>and</strong> JMP, then the profile lines can appear differently when the<br />

models are profiled. Increasing this value causes the Excel Profiler to run slower.

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