Decision Tree - Exercise

• Open "Orange".
• Drag and drop "File" widget and double click to load a dataset (credit_scoring.txt).
• Drag and drop "Select Attributes" widget and connect it to the "File" widget.
• Open "Select Attributes" and set the target (class) and predictors (attributes).
• Drag and drop "Classification Tree" widget and connect it to the "Select Attributes" widget.
• Drag and drop "Test Learners" widget and connect it to the "Classification Tree" and the "Select Attributes" widget.
• Drag and drop "Confusion Matrix", "Lift Curve" and "ROC Analysis" widgets and connect it to the "Test Learners" widget.