@article{whenisthefirstspuriousvariableselected,
  title = {When Is the First Spurious Variable Selected by Sequential Regression Procedures?},
  author = {Weijie J. Su},
  year = {2017},
  eprint = {1708.03046},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1708.03046v2},
}