Tsushung A. HuaRichard F. Gunst
Generalized ridge regression is extended to include negative values of the ridge parameter. In doing so, classes of biased estimators and estimators obtained by variable selection proce¬dures can be formulated as ridge estimators having stochastic, possibly negative, ridge parameter values.
Mineaki OhishiHirokazu YanagiharaHirofumi Wakaki
Nadwa Khazaal RashadNawal Mahmood HammoodZakariya Yahya Algamal