@article{estimatingerrorandbiasinoffline,
  title = {Estimating Error and Bias in Offline Evaluation Results},
  author = {Mucun Tian and Michael D. Ekstrand},
  year = {2020},
  eprint = {2001.09455},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2001.09455v1},
}