1. Describe a situatuin from your own life in which a change in pattern representation made a problem solvable that looked like it would have no solution.
2. Describe the difference between Hierarchical Aggolomerative Cliustering and Hierarchical Divisive Clustering
3. When would complete-link and single link give the same results in Hierarchical Agglomerative Clistering
4. How do you pick the right "K" in K-means clustering?
5. Describe the distance metric used by Zamir and Etzioni.
6. Is The Clustering system of Zamir and Etzioni agglomerative or divisive? Why?