How to Tune Classification Models

Follow these steps to tune a model:

  1. Build and the test the model. You must test the models in the build node; this is the default behavior of the classification build node.

  2. In the Property Inspector for the build node, go to the Models tab. Select the model that you want to tune and click tune selected model

    A menu is launched; from the menu, select Tune.

    tune menu
  3. The Tune Settings dialog is launched with all the available test results included. Click the tab for the test result that you want to tune. The tabs are

  4. When you are finished with a tab, click Tune to generate costs.

    Click OK to close Tune Settings.

  5. Tuning as many models in the node as you wish. Go to other tuning tabs (Lift, Profit) and perform tuning from there. When you are done tuning, click OK or Cancel.

  6. All models that have tuning specifications changed during the session have their test result marked to be re. When you re the node, the new cost matrix is generated and inserted into the model, and a new test result is generated showing full test result information on the current model's behavior.

  7. Re the tuned model. Right-click the build node and select View Results to see the effects of the tuning.

You may have to repeat the tuning steps several times to get the desired results. If necessary, you can remove tuning for a model.

To remove tuning for a model, in the Property Inspector for the build node, go to the Models tab. Select the model to remove tuning and click tune selected model
Select Automatic, and re the node.