Revisiting Logistic Regression

The structure and characteristics of Logistic Regression, and why an old model still serves as the baseline in CTR prediction.

January 15, 2025 · 5 min read

Two-Layer Control Loop for Ad Budget Pacing — Retrospective

A retrospective on moving ad budget pacing from a fixed-rule scheme to a two-layer control loop — per-campaign learning sets the baseline, real-time correction absorbs drift.

August 21, 2023 · 3 min read