SAS_Institute
A00-240 · Question #5
A00-240 Question #5: Real Exam Question with Answer & Explanation
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Question
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?
Options
- AAll parameter estimates are biased.
- BOnly the intercept estimate is biased.
- COnly the non-intercept parameter estimates are biased.
- DSensitivity estimates are biased.
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