How to check the Q(s,a) value from a trained DQN agent?

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Yichen Hu
Yichen Hu on 24 Sep 2019
Answered: Kajal Bansala on 10 Mar 2021
I have trained a DQN agent using the new Reinforcement Learning toolbox. And I wonder if it's possible to check the Q value of a certain (s,a) pair?

Answers (1)

Kajal Bansala
Kajal Bansala on 10 Mar 2021
Hello Yichen,
You can extract the 'rlQValueRepresentation' critic from the 'rlDQNAgent' using 'getCritic()'. From there you can use 'getValue()' to get the value for the observation. Here are my documentation page references:

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