Lecture

Monte-Carlo Methods for Reinforcement Learning

Description

This lecture introduces Monte-Carlo methods for reinforcement learning, which directly estimate values by averaging over empirically measured returns, contrasting them with TD-methods that exploit the Bellman equation. The lecture covers Monte-Carlo estimation, first-visit MC prediction, Monte-Carlo estimation of Q-values, and Batch-expected SARSA. It also discusses the comparison between SARSA, Monte-Carlo, and Batch-expected-SARSA learning, emphasizing the importance of the empirical Bellman equation. The lecture concludes with a comparison of Monte-Carlo versus batch-TD methods, highlighting the efficiency of TD methods in propagating information back into the graph through the 'bootstrap' step.

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