Map > Data Science > Predicting the Future > Modeling > Regression > Decision Tree > Exercise
 

Decision Tree Regression - Exercise
  • Open "Orange".
  • Drag and drop "File" widget and double click to load a dataset (slump.txt).
  • Drag and drop "Select Attributes" widget and connect it to the "File" widget.
  • Open "Select Attributes" and set the class (comprehensive strength) and attributes (predictors).
  • Drag and drop "Regression Tree" widget and connect it to the "Select Attributes" widget.
  • Drag and drop "Regression Tree Graph" widget and connect it to the "Regression Tree" widget.
  • Drag and drop "Test Learners" widget and connect it to the "Regression Tree" and the "Select Attributes" widget. 

 
Regression Tree Graph

 

Test Learners Result