agents

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Example observation_and_action_constraint_splitter

23

Hello, I tried to understand how to use an action constraint on my Environment. I have an environment with 100 lines, and the agent can choose any line, so I...

marconardelli

actor_network output spec does not match action spec:error when using multi-discrete action space with PPO agent

1

This is similar to #656. But I am making another issue since that issue is still not resolved. Also, @sguada mentioned in #702 that PPO agent can take 1-D action...

sibyjackgrove

PPO policy with ActorDistributionNetwork and discrete action array

13

I'm using `PPOAgent` and `ActorDistributionNetwork` with the following action_spec: ```python action_spec = array_spec.BoundedArraySpec( shape=(10,), dtype=np.int32, minimum=0, maximum=4, name='action') ``` However, I received the following error when the agent was trying...

cedavidyang

Projection Network for more than 1 action with differing action spaces

5

Following the discussion from #37, I developed a `MultiCategoricalProjectionNetwork` that splits logits and creates the respective `Categorical` distribution. I tried to adhere to the same pattern as far as I...

sidney-tio

ValueError: Exception encrounted when calling layer "QNetwork" (type QNetwork)

5

TF-Agent Version: 0.12.0 TF Version: 2.8.0 Python Version:3.7 So I'm trying to create a Q-Learning network for to train a computer to learn how to solve a rubrix cube. However,...

dretechtips

Cannot predict using tf_agent pre-trained policy

1

Hi! I've followed some advice of people saying that to make a prediction from a loaded tf_agent I have to create a manual tilmestep. I successfully loaded the agent, but...

annatn998

Received a mix of batched and unbatched Tensors, or Tensors are not compatible with Specs.

8

Hi! I know the issue have been raised many times but all the solutions proposed didn't work for me, and sometimes the threads didn't get to the end of it....

TAHTAH98

Michael5593

Hello everybody, I have been trying to create a custom DQN for a project but couldn't find any specification on networks with multiple inputs and multiple actions. So far I...

armusone

InvalidArgumentError: Exception encountered when calling layer "dynamic_unroll" (type DynamicUnroll)

2

I am trying to run a QRNN Network with Neural LinUCB Agent. My parameters are as follows: ``` AGENT_ALPHA = 1 GAMMA = 1 EPS_GREEDY = 0 LAYERS = (512,256,128)...

amarshivaram