@article{JMLR:v22:20-768,
  author  = {Xin Bing and Florentina Bunea and Seth Strimas-Mackey and Marten Wegkamp},
  title   = {Prediction Under Latent Factor Regression: Adaptive PCR, Interpolating Predictors and Beyond},
  journal = {Journal of Machine Learning Research},
  year    = {2021},
  volume  = {22},
  number  = {177},
  pages   = {1--50},
  url     = {http://jmlr.org/papers/v22/20-768.html}
}