Advantage-Weighted Regression
jcwleo / awr-pytorch Goto Github PK
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License: MIT License
Advantage-Weighted Regression
License: MIT License
Hello, I am reimplementing AWR in my own PyTorch codebase, and I haven't been able to get it to work as well as in the paper (on PyBullet Gym environments). I think this is the only other implementation of AWR I have found apart from the initial TF code, but it doesn't seem to work.
Have you been able to get it to train policies well?
jason peng의 논문보면 아예 awr를 off policy로 분류하고, buffer sampling을 하는데 코드는 ppo 나 a3c 처럼 mp로 구현되어 있길래 여쭤보고 싶었습니다.
Hi ! Thanks for the implementation,
In your discount function, you write:
def discount_return(reward, done, value):
value = value.squeeze()
num_step = len(value)
discounted_return = np.zeros([num_step])
gae = 0
for t in range(num_step - 1, -1, -1):
if dones[t]:
delta = reward[t] - value[t]
else:
delta = reward[t] + gamma * value[t + 1] - value[t]
gae = delta + gamma * lam * (1 - done[t]) * gae
discounted_return[t] = gae + value[t]
Shouldn't the first condition be if done[t]
?
Thanks !
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