DSC 441 HW3.docx - Problem 1 Model Summary Specifications...

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Problem 1: Model Summary Specifications Growing Method CRT Dependent Variable Diagnosis Independent Variables Symptom1, Symptom2, Symptom3, Symptom4, Symptom5, Symptom6, Symptom7, Symptom8, Symptom9, Symptom10, Symptom11 Validation Split Sample Maximum Tree Depth 8 Minimum Cases in Parent Node 20 Minimum Cases in Child Node 10 Results Independent Variables Included Symptom10, Symptom7, Symptom1, Symptom9, Symptom11, Symptom6, Symptom3, Symptom5, Symptom4, Symptom8, Symptom2 Number of Nodes 5
Number of Terminal Nodes 3 Depth 2 Training sample:
Test Sample:
1) The decision tree and the criteria used for building the tree for deciding the best split and the stopping condition (such as which impurity measure, how many cases for parents and children per node, etc)
3) What are the most important three Lupus data features in building the tree? Explain your answer.
4) Increase the number of cases for each parent and child. What do you notice with the complexity of the tree? Does it increase? Explain your answer

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