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 survival curves is false?
- Specifies a probability distribution.
- Can be used for computing the hazard,
- May increase and decrease over time.
- Always start at 100%.
3. Which of the following terms is most relevant in the context of time series?
- Censoring
- Hazard
- Segmentation
- Header table
4. Which of the following statements about the Apriori algorithm is false?
- The worst-case running of the algorithm is exponential with respect to the number of attributes.
- Returns the association rules that can be produced by all frequent k-item sets.
- Is an algorithm for computing association rules.
- Produces (k+1)-item sets only from k-item sets.
5. Which of the following statements about the FP-Growth algorithm is false?
- Is more efficient than the Apriori algorithm in terms of running time, in general.
- Uses the FP-tree data structure for more effectively extracting association rules from a data set.
- Each node of the FP tree is associated with an item and a value which corresponds to the frequency of the item in the data set.
- Sorts the items of an instance in decreasing order of their frequency in the data set.
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