Use the buttons in the Partition report to interact with the decision tree.
Split
Creates a partition of the data using the optimal split. To specify multiple splits, hold the Shift key as you click Split.
Prune
Removes the worst split.
Go
(Available only when validation is used.) Automatically adds splits to the decision tree until the validation statistic is optimized. See Validation in Partition. Without validation, you simply decide the number of splits to use in the partition model.
Color Points
(Available only for categorical responses.) Colors observations according to response level. These colors are added to the data table.