JMP 12 Specialized Models

Example of Model Comparison

This section provides an example of using the Model Comparison platform. The example uses demographic data to build a model for median home price. A regression model and a bootstrap forest model are compared.

Begin by selecting Help > Sample Data Library and opening Boston Housing.jmp.

Create a Validation Column

1. Create a column called validation.

2. On the Column Info window, select Random from the Initialize Data list.

3. Select the Random Indicator radio button.

4. Click OK.

The rows assigned a 0 are the training set. The rows assigned a 1 are the validation set.

Create the Regression Model and Save the Prediction Formula to a Column

1. Select Analyze > Fit Model.

2. Select mvalue and click Y.

3. Select the ...