Example Stream: Evaluate Model

The fourth example stream, 4_evaluate_model.str, illustrates the advantages of using IBM® SPSS® Modeler for in-database modeling. Once you have executed the model, you can add it back to your data stream and evaluate the model using several tools offered in IBM SPSS Modeler.

Viewing Modeling Results

You can double-click the model nugget to explore your results. The Summary tab provides a rule-tree view of your results. You can also click the View button, located on the Server tab, for a graphical view of the Decision Trees model.

Evaluating Model Results

The Analysis node in the sample stream creates a coincidence matrix showing the pattern of matches between each predicted field and its target field. Execute the Analysis node to view the results.

The Evaluation node in the sample stream can create a gains chart designed to show accuracy improvements made by the model. Execute the Evaluation node to view the results.