Questions tagged [stochastic-policy]

For questions related to the concept of a stochastic policy (as defined in reinforcement learning), which is a function from a state to a probability distribution over actions (from that state).

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What is the difference between a stochastic and a deterministic policy?

In reinforcement learning, there are the concepts of stochastic (or probabilistic) and deterministic policies. What is the difference between them?
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Is the optimal policy always stochastic if the environment is also stochastic?

Is the optimal policy always stochastic (that is, a map from states to a probability distribution over actions) if the environment is also stochastic? Intuitively, if the environment is ...
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