@article{mdpplaygroundmetafeaturesinreinforcement,
  title = {MDP Playground: An Analysis and Debug Testbed for Reinforcement Learning},
  author = {Raghu Rajan and Jessica Lizeth Borja Diaz and Suresh Guttikonda and Fabio Ferreira and André Biedenkapp and Jan Ole von Hartz and Frank Hutter},
  year = {2019},
  eprint = {1909.07750},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.07750v5},
}