Introduction to Reinforcement Learning
Introduction to Reinforcement Learning
Speeding-up Reinforcement Learning with Multi-step Actions
ICANN '02 Proceedings of the International Conference on Artificial Neural Networks
The Journal of Machine Learning Research
IFSA: incremental feature-set augmentation for reinforcement learning tasks
Proceedings of the 6th international joint conference on Autonomous agents and multiagent systems
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In this article, we propose a method to adapt stepsize parameters used in reinforcement learning for non-stationary environments. When the environment is non-stationary, the learning agent must adapt learning parameters like stepsize to the changes of environment through continuous learning. We show several theorems on higher-order derivatives of exponential moving average, which is a base schema of major reinforcement learning methods, using stepsize parameters. We also derive a systematic mechanism to calculate these derivatives in a recursive manner. Based on it, we construct a precise and flexible adaptation method for the stepsize parameter in order to maximize a certain criterion. The proposed method is also validated by several experimental results.