4DENG W S, CHU C K, CHENG M Y. A study of local ridge regression estimators [J]. Journal of Statistics Planning and Inference, 2001, 93: 225-238.
5WAN A T K. On generalized ridge regression estimators under collinearity and balanced loss [JJ. Applied Mathematics and Computation, 2002, 129: 455-467.
6HAWKINS D M, YIN X Y. A faster algorithm for ridge regression of reduced rank data [J]. Computational Statistica & Data Analysis, 2002, 40: 253-262.
7OHTANI K. Inadimissibility of the Stein-rule estimator under the balanced loss function [J]. Journal of Econometrics, 1999, 88: 193-201.
8HOERAL A E, KENNARD R W. Ridge regression: biased estimation for non-orthogonal problems [J]. Technomettics, 1970, 12: 55-67.
9STEIN C M. Multiple regression contributions to probability and statistics [M]. Essays in Honor of Harold Hotelling. Stanford: Stanford University Press, 1960.
