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def __init__(self, env: str, gamma: float = 0.99, lr: float = 1e-2, batch_size: int = 8, | |
n_steps: int = 10, avg_reward_len: int = 100, entropy_beta: float = 0.01, | |
epoch_len: int = 1000, *args, **kwargs) -> None: | |
super().__init__() | |
# Model components | |
self.env = gym.make(env) | |
self.net = MLP(self.env.observation_space.shape, self.env.action_space.n) | |
self.agent = PolicyAgent(self.net) | |
# Hyperparameters | |
self.lr = lr | |
self.batch_size = batch_size | |
self.batches_per_epoch = self.batch_size * epoch_len | |
self.entropy_beta = entropy_beta | |
self.gamma = gamma | |
self.n_steps = n_steps | |
self.save_hyperparameters() | |
# Tracking metrics | |
self.total_rewards = [] | |
self.episode_rewards = [] | |
self.done_episodes = 0 | |
self.avg_rewards = 0 | |
self.avg_reward_len = avg_reward_len | |
self.eps = np.finfo(np.float32).eps.item() | |
self.batch_states = [] | |
self.batch_actions = [] | |
self.state = self.env.reset() |
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