DDPG

Original paper: https://arxiv.org/abs/1509.02971
Baselines post: https://blog.openai.com/better-exploration-with-parameter-noise/
python -m baselines.run --alg=ddpg --env=HalfCheetah-v2 --num_timesteps=1e6 runs the algorithm for 1M frames = 10M timesteps on a Mujoco environment. See help (-h) for more options.