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stat.AP2026
A Path Signature Framework for Detecting Creative Fatigue in Digital Advertising
Charles Shaw
This paper introduces a signature-based framework for detecting advertising creative fatigue using path signatures, a geometric representation from rough path theory. Creative fati…
stat.AP2025
Optimized Supergeo Design: A Scalable Framework for Geographic Marketing Experiments
Charles Shaw
Geographic experiments are a widely-used methodology for measuring incremental return on ad spend (iROAS) at scale, yet their design presents significant challenges. The unit count…