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Communication Dans Un Congrès Année : 2008

Incremental Basis Function Expansion in Reinforcement Learning using Cascade-Correlation Networks

Résumé

In reinforcement learning, it is a common practice to map the state(-action) space to a different one using basis functions. This transformation aims to represent the input data in a more informative form that facilitates and improves subsequent steps. As a ''good'' set of basis functions result in better solutions and defining such functions becomes a challenge with increasing problem complexity, it is beneficial to be able to generate them automatically. In this paper, we propose a new approach based on Bellman residual for constructing basis functions using cascade-correlation learning architecture. We show how this approach can be applied to Least Squares Policy Iteration algorithm in order to obtain a better approximation of the value function, and consequently improve the performance of the resulting policies. We also present the effectiveness of the method empirically on some benchmark problems.
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Dates et versions

inria-00356262 , version 1 (08-11-2012)

Identifiants

  • HAL Id : inria-00356262 , version 1

Citer

Sertan Girgin, Philippe Preux. Incremental Basis Function Expansion in Reinforcement Learning using Cascade-Correlation Networks. 8th International Conference on Machine Learning and Applications, Dec 2008, San Diego, United States. pp.75-82. ⟨inria-00356262⟩
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