RELATIVE EFFICIENCY OF RIDGE REGRESSION AND ORDINARY LEAST SQUARE ESTIMATORS ON LINEAR REGRESSION MODELS AT DIFFERENT LEVELS OF MULTICOLLINEARITY. FJST [Internet]. 31 déc. 2017 [cité 17 mai 2026];3(2):77-81. Disponible sur: https://lafiascijournals.org.ng/index.php/fjst/article/view/83