When the C5.0 node runs, its model nugget is added to the flow. To browse the model, hover over the model nugget, then click the overflow menu and select View Model.

The Tree Diagram displays the set of rules generated by the C5.0 node in a tree format. Now you can see the missing pieces of the puzzle. For people with an Na-to-K ratio less than 14.829 and high blood pressure, age determines the choice of drug. For people with low blood pressure, cholesterol level seems to be the best predictor.

You can hover over the nodes in the tree to see more details such as the number of cases for each blood pressure category and the confidence percentage of cases.