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opcc-baselines

Code for baselines presented in research paper "Offline Policy Comparison with Confidence: Baseline and Benchmarks"

Python application License Code style: black

Installation

1. Setup opcc [v0.0.1]

(We recommend familarizing with opcc usage before using baselines)

2. Python dependencies could be installed using:

git clone https://github.com/koulanurag/opcc-baselines.git
cd opcc-baselines
python3 -m pip install --upgrade pip setuptools wheel
pip install -r requirements.txt

Usage

Required Arguments Description
--job {train-dynamics,evaluate-queries,uncertainty-test} Job to be performed
Optional Arguments Description
--no-cuda no cuda usage (default: False)
--result-dir directory to store results (default: pwd)
--wandb-project-name name of the wandb project (default: opcc-baselines)
--use-wandb use Weight and bias visualization lib (default: False)

Train dynamics:

Example:

python main.py --job train-dynamics --env-name d4rl:maze2d-open-v0 --dataset 1m --num-ensemble 10
Optional Arguments Description
--env-name name of the environment (default: HalfCheetah-v2)
--dataset-name name of the dataset (default: random)
--dynamics-type {feed-forward,autoregressive} type of dynamics model (default: feed-forward)
--deterministic if True, we use deterministic model otherwise
stochastic (default: False)
--dynamics-seed seed for training dynamics (default: 0)
--log-interval log interval for training dynamics (default: 1)
--dynamics-checkpoint-interval update interval to save dynamics checkpoint (default:1)
--hidden-size hidden size for Linear Layers (default: 200)
--update-count total batch update count for training (default: 100)
--dynamics-batch-size batch size for Dynamics Learning (default: 256)
--dynamics-checkpoint-interval update interval to save dynamics checkpoint (default:1)
--reward-loss-coeff reward loss coefficient for training (default: 1)
--observation-loss-coeff obs. loss coefficient for training (default: 1)
----num-ensemble number of dynamics for ensemble (default: 1)
--constant-prior-scale scale for constant priors (default: 0)

Query Evaluation:

Example:

  • Restoring dynamics locally:
python main.py --job evaluate-queries --env-name d4rl:maze2d-open-v0 --dataset 1m --num-ensemble 10
  • Restoring dynamics from wandb(if used in train-dynamics phase):
python main.py --job evaluate-queries --restore-dynamics-from-wandb --wandb-dynamics-run-path <username>/<project-name>/<run-id>
Optional Arguments Description
--restore-dynamics-from-wandb restore model from wandb run (default: False)
--wandb-dynamics-run-path wandb run id if restoring model (default: None)
--mixture If enabled, randomly select ensemble models at
each step of query evaluation
(default: False)
--eval-runs run count for each query evaluation (default: 1)
--eval-batch-size batch size for query evaluation (default: 128)
--clip-obs clip the observation space with bounds for
query evaluation (default: False)
--clip-reward clip the reward with dataset bounds for
query evaluation (default: False)

Uncertainty-test :

Example:

  • Restoring query evaluation data locally:
python main.py --job uncertainty-test --env-name d4rl:maze2d-open-v0 --dataset 1m --num-ensemble 10
  • Restoring query evaluation data from wandb(If used in query-evaluation phase):
python main.py --job uncertainty-test --restore-query-eval-data-from-wandb --wandb-query-eval-data-run-path <username>/<project-name>/<run-id>
Optional Arguments Description
--uncertainty-test-type
{paired-confidence-interval,
unpaired-confidence-interval,
ensemble-voting}
type of uncertainty test (default:ensemble-voting)
--restore-query-eval-data-from-wandb get query evaluation data from wandb (default: False)
--wandb-query-eval-data-run-path wandb run id having query eval data (default: None)

Reproducibility

  1. Dynamics training results can be found over here and corresponding commands for different configurations can be retrieved using following snippet.
import json
import wandb

api = wandb.Api()
runs = api.runs(
    path="koulanurag/opcc-baselines-train-dynamics",
    filters={
        "config.env_name": "HalfCheetah-v2",
        "config.dataset_name": "random",
        "config.deterministic": True,  # options: [True, False]
        "config.dynamics_type": "feed-forward",  # options : ["feed-forward","autoregressive"]
        "config.constant_prior_scale": 5,  # options: [0,5]
        "config.normalize": True,  # options : [True, False]
        "config.dynamics_seed": 0,  # options: [0,1,2,3,4]
    },
)

for run in runs:
    command = (
            "python main.py "
            + f"--job train-dynamics"
            + f" --env-name {run.config['env_name']}"
            + f" --dataset-name {run.config['dataset_name']}"
            + f" --dynamics-type {run.config['dynamics_type']}"
            + f"--dynamics-seed {run.config['dynamics_seed']}"
            + f" --log-interval {run.config['log_interval']}"
            + f" --dynamics-checkpoint-interval {run.config['dynamics_checkpoint_interval']}"
            + f" --hidden-size {run.config['hidden_size']}"
            + f" --update-count {run.config['update_count']}"
            + f" --dynamics-batch-size {run.config['dynamics_batch_size']}"
            + f" --reward-loss-coeff {run.config['reward_loss_coeff']}"
            + f" --observation-loss-coeff {run.config['observation_loss_coeff']}"
            + f" --grad-clip-norm {run.config['grad_clip_norm']}"
            + f" --dynamics-lr {run.config['dynamics_lr']}"
            + (f" --normalize" if run.config["normalize"] else "")
            + f" --num-ensemble {run.config['num_ensemble']}"
            + f" --constant-prior-scale {run.config['constant_prior_scale']}"
    )
    print(command)
  1. Query Evaluation results can be found here and corresponding commands can be retreived using following snippet.
import json
import wandb

api = wandb.Api()
runs = api.runs(
    path="koulanurag/opcc-baselines-evaluate-queries",
    filters={
        "config.env_name": "HalfCheetah-v2",
        "config.dataset_name": "random",
        "config.deterministic": True,  # options: [True, False]
        "config.dynamics_type": "feed-forward",  # options : ["feed-forward","autoregressive"]
        "config.constant_prior_scale": 5,  # options: [0,5]
        "config.normalize": True,  # options : [True, False]
        "config.dynamics_seed": 0,  # options: [0,1,2,3,4]
        "config.clip_obs": True,  # options: [True]
        "config.clip_reward": True,  # options: [True]
    },
)

for run in runs:
    command = (
        "python main.py"
        + f" --job evaluate-queries"
        + f" --restore-dynamics-from-wandb"
        + f" --wandb-dynamics-run-path {run.config['wandb_dynamics_run_path']}"
        + f" --eval-runs {run.config['eval_runs']}"
        + f" --eval-batch-size {run.config['eval_batch_size']}"
        + (f" --clip-obs" if run.config["clip_obs"] else "")
        + (f" --clip-reward" if run.config["clip_reward"] else "")
    )
    # if you run the printed command , it will download
    # pre-trained dynamics and run query evaluation using it.
    print(command)
  1. Uncertainty Test results can be found here and corresponding commands can be retrieved using following snippet.
import json
import wandb

api = wandb.Api()
runs = api.runs(
    path="koulanurag/opcc-baselines-uncertainty-test",
    filters={
        "config.env_name": "HalfCheetah-v2",
        "config.dataset_name": "random",
        "config.deterministic": True,  # options: [True, False]
        "config.dynamics_type": "feed-forward",  # options : ["feed-forward","autoregressive"]
        "config.constant_prior_scale": 5,  # options: [0,5]
        "config.normalize": True,  # options : [True, False]
        "config.dynamics_seed": 0,  # options: [0,1,2,3,4]
        "config.clip_obs": True,  # options: [True]
        "config.clip_reward": True,  # options: [True]
        "config.uncertainty_test_type": "ensemble-voting"
        # options: [ensemble-voting, paired-confidence-interval, unpaired-confidence-interval]
    },
)

for run in runs:
    command = (
        "python main.py"
        + f" --job uncertainty-test"
        + f" --uncertainty-test-type {run.config['uncertainty_test_type']}"
        + f" --restore-query-eval-data-from-wandb"
        + f" --wandb-query-eval-data-run-path {run.config['wandb_query_eval_data_run_path']}"
    )

    # if you run the printed command , it will download
    # query-evaluation results and run uncertainty-tests over
    # them to report opcc metrics.
    print(command)

Testing Code

python -m pytest -v

Contact

If you have any questions or suggestions , you can contact me at koulanurag@gmail.com or open an issue on this GitHub repository.

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Baselines for "Offline Policy Comparison with Confidence"

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