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For questions related to deep reinforcement learning (DRL), that is, RL combined with deep learning. More precisely, deep neural networks are used to represent e.g. value functions or policies.

1 vote
0 answers
36 views

Why slow-changing policy invalidates Double DQN approach in TD3 paper?

In the paper describing TD3 (https://arxiv.org/abs/1802.09477), the authors say that they could not effectively address the Q-learning overestimation bias by using different networks for maximizing an …
Jerry Ding's user avatar
2 votes
0 answers
147 views

Why does only Deep Q Learning have an overestimation bias?

There is a lot of discussion about the overestimation bias for Deep Q Learning and similar off-policy action value estimation algorithms like DDPG. This is why methods like Double DQN and TD3 were cre …
Jerry Ding's user avatar