Feedback Loop (Machine Learning)
A model can change which outcomes are observed and the outcomes themselves. Correcting the resulting bias depends on the target, coverage, and policy.
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Cross-Selling
Using 2.40 versus 1.00 points per added product gives $400,000 versus $120,000 in the illustrative campaign.
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Winner’s Curse
Selecting a candidate by its measured score can select favorable noise along with quality. Simulated candidate searches illustrate optimism and the role of held-out confirmation.