To cite the PIE package in publications, please use:

  Wang T, Yang J, Li Y, Wang B (2021). “Partially interpretable
  estimators (PIE): black-box-refined interpretable machine learning.”
  _arXiv preprint arXiv:2105.02410_.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Partially interpretable estimators (PIE): black-box-refined interpretable machine learning},
    author = {Tong Wang and Jingyi Yang and Yunyi Li and Boxiang Wang},
    journal = {arXiv preprint arXiv:2105.02410},
    year = {2021},
  }