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Speedy Q-Learning.

Authors: Azar, Mohammad Gheshlaghi; Munos, Rémi; Ghavamzadeh, Mohammad; Kappen, Hilbert;

Speedy Q-Learning.

Abstract

We introduce a new convergent variant of Q-learning, called speedy Q-learning, to address the problem of slow convergence in the standard form of the Q-learning algorithm. We prove a PAC bound on the performance of SQL, which shows that for an MDP with n state-action pairs and the discount factor γ only T = O(log(n)/(ε^2 (1 - γ)^4)) steps are required for the SQL algorithm to converge to an ε-optimal action-value function with high probability. This bound has a better dependency on 1/ε and 1/(1 - γ), and thus, is tighter than the best available result for Q-learning. Our bound is also superior to the existing results for both model-free and model-based instances of batch Q-value iteration that are considered to be more efficient than the incremental methods like Q-learning.

Countries
Netherlands, France
Keywords

Advances in Neural Information Processing Systems, Biophysics, [INFO.INFO-LG] Computer Science [cs]/Machine Learning [cs.LG]

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Average
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