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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Predictive Model Assessment and Implementation | 25–30% | - Evaluate performance via profit/loss and comparison - Score and deploy models - Adjust for oversampling and sampling methods - Apply appropriate fit statistics |
| Topic 2: Data Sources | 20–25% | - Modify and prepare source data for modeling - Create data sources from SAS tables - Explore and assess data sources |
| Topic 3: Building Predictive Models | 35–40% | - Build models using decision trees - Understand predictive modeling concepts - Build models using regression techniques - Build models using neural networks |
| Topic 4: Pattern Analysis | 10–15% | - Identify clusters and segments - Interpret pattern discovery results |
1. Perform these tasks in SAS Enterprise Miner:
- Add a Decision Tree node after the Impute node with TARGET as the dependent variable and all other input variables as independent variables (main effects only). Configure the decision tree to use 1 for Number of Surrogate Rules and Largest for Method in Subtree. Do not change any other property of the Decision Tree node.
- Add another Neural Network node after the decision tree with TARGET as the dependent variable and all other input variables as independent variables (main effects only). Configure the Neural Network model to use Average Error for Model Selection Criterion. Do not change any other property for the Neural Network node. Run the process flow.
How many leaves are there in the decision tree?
Response:
A) 1-10
B) 16-20
C) 11-15
D) 21 or more
2. You are building a model to identify fraud. Your model will produce predictions that can be interpreted as the probability of fraud. You will pass on the top 100 scoring cases to management for investigation. Assume that you have sufficient data to hold out a validation and test data set for model evaluation.
Which selection would represent a reasonable ordering of fit statistics (best to worst) for this situation?
Select one:
Response:
A) Misclassification rate, ROC index, ASE
B) ASE, Lift for the top 10%, ROC index
C) R-square, AIC, K-S statistic
D) ROC index, ASE, misclassification rate
3. 1. Define a new data source, PatternData, in SAS Enterprise Miner (SAS data set Patterndata.sas7bdat in the zip file distributed with this practice exam).
2. Set the role of all variables to Input, with the exception set the ID variable role to ID.
3. Set the measurement level for all variables to Interval, except:
- Set DemHomeOwner and StatusCatStarAll to Binary.
- Set DemCluster, DemGender, ID, and StatusCat96NK to Nominal.
4. Create a new diagram (name it Section6) within the project labeled Test.
5. Add the data source, PatternData, to this diagram. Make sure the variable roles and measurements are the same as in the table below. (Check the highlighted rows carefully and reset roles/levels as needed.)
6. Connect a Cluster node to the data source.
7. Modify the Cluster node to exclude nominal and binary input variables.
8. Run the Cluster node.
How many clusters are created by the Cluster node?
Response:
A) 8
B) 6
C) 9
D) 3
4. Refer to the following profit matrix and confusion matrix for a campaign soliciting product purchases. The predicted variable is a binary outcome.
Based on the above tables, what is the average profit? You may use a calculator for this question. On the certification exam, an on-screen calculator is provided for you.
Select one:
Response:
A) 690
B) 69
C) 86.25
D) 6.9
5. What is the variable worth of the PromCntCardAll variable in Segment 1?
Select one:
Response:
A) 0.10844
B) 0.24914
C) 0.27649
D) 0.24169
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: C |
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