@article{paperid:1081569, author = {Fallah, Reza and Arashi, Mohammad and Tabatabaey Mashhadi, Mohammad Mehdi}, title = {On the ridge regression estimator with sub-space restriction}, journal = {Communications in Statistics - Theory and Methods}, year = {2017}, volume = {46}, number = {23}, month = {December}, issn = {0361-0926}, pages = {11854--11865}, numpages = {11}, keywords = {Approximate risk; elliptically contoured distribution; linear regression model; restricted estimator; shrinkage estimator; ridge estimator}, }