Data Mining

Open the assignment #3 MS word file and answer

the following questions. If you complete it, please

upload into the blackboard.

1. Draw the full decision tree for the parity function

of four Boolean attributes, A, B, C, and D.

Assignment #3

2. Consider the training examples show in the table

for binary classification problem.

Assignment #3

1) Compute the Gini index for the overall collection of

training examples.

2) Compute the Gini index for the Customer ID attribute.

3) Compute the Gini index for the Gender attribute.

4) Compute the Gini index for the Car Type attribute using

multiway split.

5) Compute the Gini index for the Shirt Size attribute using

multiway split.

6) Which attribute is better, Gender, Car, Type, or Shirt

Size?

Assignment #3