EXERCISE 15.1
Apply the MDS method to the Swiss bank note data. What do you expect to see ?
EXERCISE 15.2
Using (
15.6), show that (
15.7)
can be written in the form (
15.2).
EXERCISE 15.4
Redo a careful analysis of the car marks data based on the following
dissimilarity matrix:
|
j |
1 |
2 |
3 |
4 |
i |
|
Nissan |
Wartburg |
BMW |
Audi |
1 |
Nissan |
- |
|
|
|
2 |
Wartburg |
2 |
- |
|
|
3 |
BMW |
4 |
6 |
- |
|
4 |
Audi |
3 |
5 |
1 |
- |
EXERCISE 15.5
Apply the MDS method to the U.S. health data. Is the result in accordance with
the geographic location of the U.S. states?
EXERCISE 15.6
Redo Exercise
15.5 with the U.S. crime data.
EXERCISE 15.7
Perform the MDS analysis on the Athletic Records data in
Appendix
B.18. Can you see which countries are ``close to
each other''?