IBM SPSS Modeler Professional v2 認定 C2020-010 試験問題:
1. Assume you have two data files: a personnel file with information about employees and a second file with information about performance categories. You will use IBM SPSS Modeler to merge the files together using performance category as the key. However, there are inconsistencies in the category keys used in both the personnel file and the performance file. In order to merge the files together without losing information from either the personnel file or the performance category file, you would use:
A) An anti-join.
B) An inner join.
C) A full outer join.
D) A partial outer join.
2. In the Gains Chart displayed below, what does the $BEST-CHURNED line represent?
A) The best current model to predict the field CHURNED
B) The theoretically best model to predict the field CHURNED
C) The best model for cases in the training partition to predict the field CHURNED
D) None of the above
3. Which node is best suited for revealing relationships between continuous and categorical (nominal, ordinal) fields?
A) Statistics node
B) Table node
C) Means node
D) Distribution node
4. True or false: missing values can be specified in the Source node used to read the data or in the Type node.
A) True
B) False
5. What are the advantages of pruning Decision Tree models? (Choose three.)
A) Pruning can help simplify the tree.
B) Pruning can make the tree easier to interpret.
C) Pruning can increase the accuracy of the tree.
D) Pruning can improve the generalization of the tree.
質問と回答:
質問 # 1 正解: C | 質問 # 2 正解: B | 質問 # 3 正解: C | 質問 # 4 正解: A | 質問 # 5 正解: A、B、D |