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README.md

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+---
+library_name: skrl
+tags:
+- deep-reinforcement-learning
+- reinforcement-learning
+- skrl
+model-index:
+- name: PPO
+  results:
+  - metrics:
+    - type: mean_reward
+      value: 493.73 +/- 0.58
+      name: Total reward (mean)
+    task:
+      type: reinforcement-learning
+      name: reinforcement-learning
+    dataset:
+      name: IsaacGymEnvs-Cartpole
+      type: IsaacGymEnvs-Cartpole
+---
+
+<!-- ---
+torch: 493.73 +/- 0.58
+jax: 492.06 +/- 3.58
+numpy: 491.92 +/- 0.57
+--- -->
+
+# IsaacGymEnvs-Cartpole-PPO
+
+Trained agent for [NVIDIA Isaac Gym Preview](https://github.com/NVIDIA-Omniverse/IsaacGymEnvs) environments.
+
+- **Task:** Cartpole
+- **Agent:** [PPO](https://skrl.readthedocs.io/en/latest/api/agents/ppo.html)
+
+# Usage (with skrl)
+
+Note: Visit the skrl [Examples](https://skrl.readthedocs.io/en/latest/intro/examples.html) section to access the scripts.
+
+* PyTorch
+
+  ```python
+  from skrl.utils.huggingface import download_model_from_huggingface
+
+  # assuming that there is an agent named `agent`
+  path = download_model_from_huggingface("skrl/IsaacGymEnvs-Cartpole-PPO", filename="agent.pt")
+  agent.load(path)
+  ```
+
+* JAX
+
+  ```python
+  from skrl.utils.huggingface import download_model_from_huggingface
+
+  # assuming that there is an agent named `agent`
+  path = download_model_from_huggingface("skrl/IsaacGymEnvs-Cartpole-PPO", filename="agent.pickle")
+  agent.load(path)
+  ```
+
+# Hyperparameters
+
+Note: Undefined parameters keep their values by default.
+
+```python
+# https://skrl.readthedocs.io/en/latest/api/agents/ppo.html#configuration-and-hyperparameters
+cfg = PPO_DEFAULT_CONFIG.copy()
+cfg["rollouts"] = 16  # memory_size
+cfg["learning_epochs"] = 8
+cfg["mini_batches"] = 1  # 16 * 512 / 8192
+cfg["discount_factor"] = 0.99
+cfg["lambda"] = 0.95
+cfg["learning_rate"] = 3e-4
+cfg["learning_rate_scheduler"] = KLAdaptiveRL
+cfg["learning_rate_scheduler_kwargs"] = {"kl_threshold": 0.008}
+cfg["random_timesteps"] = 0
+cfg["learning_starts"] = 0
+cfg["grad_norm_clip"] = 1.0
+cfg["ratio_clip"] = 0.2
+cfg["value_clip"] = 0.2
+cfg["clip_predicted_values"] = True
+cfg["entropy_loss_scale"] = 0.0
+cfg["value_loss_scale"] = 2.0
+cfg["kl_threshold"] = 0
+cfg["rewards_shaper"] = lambda rewards, timestep, timesteps: rewards * 0.1
+cfg["state_preprocessor"] = RunningStandardScaler
+cfg["state_preprocessor_kwargs"] = {"size": env.observation_space, "device": device}
+cfg["value_preprocessor"] = RunningStandardScaler
+cfg["value_preprocessor_kwargs"] = {"size": 1, "device": device}
+```

agent.pickle

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+size 31572

agent.pt

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