DM week 9
- Created by: mariolarc
- Created on: 14-05-21 10:55
Other questions in this quiz
2. Which of the following statements about the Apriori algorithm is false?
- Returns the association rules that can be produced by all frequent k-item sets.
- The worst-case running of the algorithm is exponential with respect to the number of attributes.
- Produces (k+1)-item sets only from k-item sets.
- Is an algorithm for computing association rules.
3. Which of the following statements about survival curves is false?
- Specifies a probability distribution.
- May increase and decrease over time.
- Always start at 100%.
- Can be used for computing the hazard,
4. The confidence of an association rule is:
- (support count of the rule) / (number of transactions)
- A table specifying the number of transactions containing either the right-hand side of the rule, or the left-hand side, or both, or none of the two.
- (support count of the rule) / (support count of the antecedent)
- (support count of the rule) / (support count of the consequent)
5. Which of the following terms is most relevant in the context of time series?
- Segmentation
- Header table
- Censoring
- Hazard
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