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Reinforcement Learning with TensorFlow
book

Reinforcement Learning with TensorFlow

by Sayon Dutta
April 2018
Intermediate to advanced content levelIntermediate to advanced
334 pages
10h 18m
English
Packt Publishing
Content preview from Reinforcement Learning with TensorFlow

Using a baseline to reduce variance

In addition to our initial effort to use an actor-critic method to reduce variance, we can also reduce variance by subtracting a baseline function  from the policy gradient. This will reduce the variance without affecting the expectation value as shown in the following:

There are many options to choose a baseline function but state value function is regarded to be a good baseline function. Therefore:

Thus, ...

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Publisher Resources

ISBN: 9781788835725Supplemental Content