September 2018
Intermediate to advanced
296 pages
9h 10m
English
Content preview from Python Reinforcement Learning Projects
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Training AlphaGo Zero
Since we don't use human-generated data for training or supervision, how does AlphaGo Zero learn at all? The novel reinforcement learning algorithm developed by DeepMind involves using MCTS as a teacher for the neural network, which represents both policy and value functions.
In particular, the outputs of MCTS are 1) probabilities, 
, for each selecting move during the simulation, and 2) the final outcome of the game, 
. The neural network, , takes in a board state, , and also outputs a tuple of , where is a vector of move ...
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