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How Much Fresh Data Should CTR Recalibration Use? A Temporal Evaluation of Post-hoc Calibration

This story is from 2026-10-27. It is preserved in the archive; the latest stories are on the live feed.

arXiv:2610.33168v1 Announce Type: new Abstract: Offline evaluation of click-through rate (CTR) models still defaults to random splits, although deployed models score future traffic and downstream systems consume calibrated probabilities. On Avazu (40.4M impressions) we train logistic regression (LR…

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  1. 2026-10-27 04:00 · arXiv cs.LG
    How Much Fresh Data Should CTR Recalibration Use? A Temporal Evaluation of Post-hoc Calibration

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