Joining Attributes
Joining Attributes
- Treats a pair of attributes as a single attribute
- Domain attributes being joined
- Example
height: (tall, short)
age: (young, old)
age_height:(young_tall, young_short, old_tall, old_short)
- Useful if there are correlation among attributes
- Estimates of probabilities
Partition Selection Problem-
- Set of independent {{age}, {weight}, {height}, {shoe-size}}
- Attribute {{age, height}, {weight}}