1. Briefly describe the general algorithm used in decision trees. 2. Define Gini index. What does it measure? 3. Give examples of situations in which cluster analysis would be an appropriate data...

1. Briefly describe the general algorithm used in decision trees.

2. Define Gini index. What does it measure?

3. Give examples of situations in which cluster analysis would be an appropriate data mining technique.

4. What is the major difference between cluster analysis and classification?

5. What are some of the methods for cluster analysis?

6. Give examples of situations in which association would be an appropriate data mining technique.