@article{paperid:1082641, author = {Arashi, Mohammad and M. Janfada and M. Norouzirad}, title = {Singular Ridge Regression With Stochastic Constraints}, journal = {Communications in Statistics - Theory and Methods}, year = {2015}, volume = {44}, number = {6}, month = {March}, issn = {0361-0926}, pages = {1281--1292}, numpages = {11}, keywords = {Elliptically contoured distribution; Preliminary test estimator; Ridge Regression; Singular model}, }