A00-240 Exam Dumps - SAS Statistical Business Analysis SAS9: Regression and Model
This question will ask you to provide a segment of missing code.
The following code is used to create missing value indicator variables for input variables, fred1 to fred7.
Which segment of code would complete the task?
The following LOGISTIC procedure output analyzes the relationship between a binary response and an ordinal predictor variable, wrist_size Using reference cell coding, the analyst selects Large (L) as the reference level.
What is the estimated logit for a person with large wrist size?
Click the calculator button to display a calculator if needed.
Which of the following describes a concordant pair of observations in the LOGISTIC procedure?
What is the default method in the LOGISTIC procedure to handle observations with missing data?
Refer to the confusion matrix:
Calculate the accuracy and error rate (0 - negative outcome, 1 - positive outcome)
A marketing campaign will send brochures describing an expensive product to a set of customers. The cost for mailing and production per customer is $50. The company makes $500 revenue for each sale.
What is the profit matrix for a typical person in the population?
Refer to the exhibit:
On the Gains Chart, what is the correct interpretation of the horizontal reference line?
One common approach for predicting rare events in the LOGISTIC procedure is to build a model that disproportionately over-re presents those cases with an event occurring (e.g. a 50-50 event/non-event split).
What problem does this present?
Refer to the REG procedure output:
How many observations are used in the analysis? Enter your numeric answer in the space below.
Refer to the following exhibit:
What is a correct interpretation of this graph?