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Screening for non-linearity in binary logistic regression can be achieved by visualizing:
A scatter plot of binary response versus a predictor variable.
A trend plot of empirical logit versus a predictor variable.
A logistic regression plot of predicted probability values versus a predictor variable.
A box plot of the odds ratio values versus a predictor variable.
Refer to the lift chart:
What does the reference line at lift = 1 corresponds to?
The predicted lift for the best 50% of validation data cases
The predicted lift if the entire population is scored as event cases
The predicted lift if none of the population are scored as event cases
The predicted lift if 50% of the population are randomly scored as event cases
Which characteristic of Studentized residuals indicate potential outliers?
Only studentized residuals greater than negative two
Only studentized residuals less than negative two and greater than two
Only studentized residuals greater than two
Only studentized residuals less than two and greater than negative two
TESTED 22 Dec 2024