Which SAS program will correctly use backward elimination selection criterion within the REG procedure?
Assume a $10 cost for soliciting a non-responder and a $200 profit for soliciting a responder. The logistic regression model gives a probability score named P_R on a SAS data set called VALID. The VALID data set contains the responder variable Pinch, a 1/0 variable coded as 1 for responder. Customers will be solicited when their probability score is more than 0.05.
Which SAS program computes the profit for each customer in the data set VALID?
Refer to the exhibit:
Based upon the comparative ROC plot for two competing models, which is the champion model and why?
This question will ask you to provide a missing option.
Given the following SAS program:
What option must be added to the program to obtain a data set containing Spearman statistics?
Refer to the exhibit.
Output from a multiple linear regression analysis is shown.
What is the most appropriate statement concerning collinearity between the input variables?
Refer to the exhibit:
Which statement is true, based on the plots above?
An analyst investigates Region (A, B, or C) as an input variable in a logistic regression model.
The analyst discovers that the probability of purchasing a certain item when Region = A is 1.
What problem does this illustrate?
This question will ask you to provide a missing option.
A business analyst is investigating the differences in sales figures across 8 sales regions. The analyst is interested in viewing the regression equation parameter estimates for each of the design variables.
Which option completes the program to produce the regression equation parameter estimates?
A predictive model uses a data set that has several variables with missing values.
What two problems can arise with this model? (Choose two.)
