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Python Reinforcement Learning Projects

You're reading from   Python Reinforcement Learning Projects Eight hands-on projects exploring reinforcement learning algorithms using TensorFlow

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Product type Paperback
Published in Sep 2018
Publisher Packt
ISBN-13 9781788991612
Length 296 pages
Edition 1st Edition
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Authors (3):
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Sean Saito Sean Saito
Author Profile Icon Sean Saito
Sean Saito
Rajalingappaa Shanmugamani Rajalingappaa Shanmugamani
Author Profile Icon Rajalingappaa Shanmugamani
Rajalingappaa Shanmugamani
Yang Wenzhuo Yang Wenzhuo
Author Profile Icon Yang Wenzhuo
Yang Wenzhuo
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Toc

Step-by-step guide


Our solution uses an actor-critic reinforcement learning model, along with an infused time series, to help us predict the best action, based on the stock prices. The possible actions are as follows:

  1. Hold: This means that based on the price and projected profit, the trader should hold a stock
  2. Sell: This means that based on the price and projected profit, the trader should sell a stock
  3. Buy: This means that based on the price and projected profit, the trader should buy a stock

The actor-critic network is a family of reinforcement learning methods premised on two interacting network models. These models have two components: the actor and the critic. In our case, the network models that we will use will be neural networks. We will use the Keras package, which you have already learned about, to create the neural networks. The reward function that we are looking to improve is the profit.

The actor takes in the state of the environment, then returns the best action, or a policy that...

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