@article{usingempiricalcovariancematrixin,
  title = {Using Empirical Covariance Matrix in Enhancing Prediction Accuracy of Linear Models with Missing Information},
  author = {Ahmadreza Moradipari and Sina Shahsavari and Ashkan Esmaeili and Farokh Marvasti},
  year = {2016},
  eprint = {1611.07093},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1611.07093v3},
}