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Optimizing Adaptive Experiments: A Unified Approach to Regret Minimization and Best-Arm Identification
Feb. 19, 2024, 5:42 a.m. | Chao Qin, Daniel Russo
cs.LG updates on arXiv.org arxiv.org
Abstract: Practitioners conducting adaptive experiments often encounter two competing priorities: reducing the cost of experimentation by effectively assigning treatments during the experiment itself, and gathering information swiftly to conclude the experiment and implement a treatment across the population. Currently, the literature is divided, with studies on regret minimization addressing the former priority in isolation, and research on best-arm identification focusing solely on the latter. This paper proposes a unified model that accounts for both within-experiment performance …
abstract arm arxiv cost cs.lg econ.em experiment experimentation identification information literature population stat.ml treatment type
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