Answer the following Question :
1. Describe the four general optimization techniques for efficient computation of data cubes.
2. Consider transaction table below to answer the following question.
|
TID
|
Items
|
|
T100
|
A, C, D, E
|
|
T101
|
A, C, E
|
|
T102
|
B, D, E, F
|
|
T103
|
A, D, E, F
|
|
T104
|
B, C, F
|
|
T105
|
A, B, C, D, E
|
If we set minimum support count equal to 50%, list all frequent item sets along with their support count percentage.
3. What is Association Rule? Discuss with example?
4. What is Apriorialgorithm,discuss its advantages and disadvantages?
Please write by computer and answer all qeustion .