Z-Score Experience Replay in Off-Policy Deep Reinforcement Learning

Yana Yang, Meng Xi, Huiao Dai, Jiabao Wen, Jiachen Yang, Sergio Toral Marín · 2024

Read Z-Score Experience Replay in Off-Policy Deep Reinforcement Learning by Yana Yang, Meng Xi, Huiao Dai, Jiabao Wen, Jiachen Yang, Sergio Toral Marín (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11645091.txt.

Description

Yana Yang and co-authors improve how learning agents reuse their past experience, in a 2024 paper. Off-policy reinforcement learning stores interactions in a replay buffer and retrains on them later. Which memories get replayed, and how often, strongly shapes learning speed and final performance.

Their method scores each stored experience with z-score statistics and prioritizes replay accordingly. The shared surname team tested the scheme with a series of ablation experiments, removing components one at a time to check each one's contribution. The full method significantly improved the effectiveness of deep reinforcement learning algorithms, speeding convergence. The authors frame experience selection as a lever as important as the learning rule itself, and one that is cheap to adjust in existing systems.

Catalog record

CREATORYana Yang, Meng Xi, Huiao Dai, Jiabao Wen, Jiachen Yang, Sergio Toral Marín
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE50 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11645091

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