@article{JMLR:v17:15-440,
  author  = {Garvesh Raskutti and Michael W. Mahoney},
  title   = {A Statistical Perspective on Randomized Sketching for Ordinary Least-Squares},
  journal = {Journal of Machine Learning Research},
  year    = {2016},
  volume  = {17},
  number  = {213},
  pages   = {1--31},
  url     = {http://jmlr.org/papers/v17/15-440.html}
}