@article{treesforestsandimpuritybasedvariable,
  title = {Trees, forests, and impurity-based variable importance},
  author = {Erwan Scornet},
  year = {2020},
  eprint = {2001.04295},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2001.04295v3},
}