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SASInstitute SAS Predictive Modeling Using SAS Enterprise Miner 14 Sample Questions:
1. Perform these tasks in SAS Enterprise Miner:
- Use the Regression node to build another regression model with TARGET as the dependent variable and all other input variables as independent variables (main effects only).
- Configure the regression model to use Stepwise for Selection Model and Validation Error for Selection Criteri a. Do not change any other property for the regression model.
Which of the following variable(s) is (are) statistically significant at the 5% level in the selected model?
Response:
A) all of the above
B) TLTimeFirst
C) IMP_TLOpen24Pct
D) TLDel3060Cnt24
2. A separate sample has been taken such that the target distribution in the separate sample is different from the target distribution in the original sample.
What should be adjusted?
Select one:
Response:
A) confidence intervals
B) specificity
C) lift
D) sensitivity
3. For the Variable Selection node, which statement describes the R-squared variable selection criterion?
Select one:
Response:
A) It looks for a set of colinear inputs that correlate with the target.
B) It uses a squared correlation and then a stepwise regression to eliminate irrelevant inputs.
C) It is similar to a decision tree algorithm in being able to detect nonlinear and non-additive relationships between inputs and the target.
D) It uses a chi-squared Decision Tree with no Bonferoni adjustment to select the relevant inputs.
4. A multilayer perceptron neural network is using three interval inputs to model one interval target (outcome). The neural network has ten hidden units and one hidden layer. How many weights, including biases are being estimated?
You may use a calculator for this question. On the certification exam, an on-screen calculator is provided for you.
Select one:
Response:
A) 51
B) 40
C) 50
D) 41
5. For the variable InqTimeLast, which term best describes the shape of its distribution?
Response:
A) bimodal
B) left skewed
C) right skewed
D) symmetric
Solutions:
Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: C |