Akdeniz, Fikri; Öztürk, Fikri Reviving some geometric aspects of shrinkage estimation in linear models. (English) Zbl 1487.62084 Commun. Fac. Sci. Univ. Ank., Sér. A1, Math. Stat. 68, No. 1, 1123-1143 (2019). MSC: 62J07 62J05 PDFBibTeX XMLCite \textit{F. Akdeniz} and \textit{F. Öztürk}, Commun. Fac. Sci. Univ. Ank., Sér. A1, Math. Stat. 68, No. 1, 1123--1143 (2019; Zbl 1487.62084) Full Text: DOI
Akdeniz, Fikri; Öztürk, Fikri The distribution of stochastic shrinkage biasing parameters of the Liu type estimator. (English) Zbl 1117.62466 Appl. Math. Comput. 163, No. 1, 29-38 (2005). MSC: 62E15 62J07 PDFBibTeX XMLCite \textit{F. Akdeniz} and \textit{F. Öztürk}, Appl. Math. Comput. 163, No. 1, 29--38 (2005; Zbl 1117.62466) Full Text: DOI
Öztürk, Fikri; Akdeniz, Fikri Ill-conditioning and multicollinearity. (English) Zbl 0974.65061 Linear Algebra Appl. 321, No. 1-3, 295-305 (2000). Reviewer: Peter Reichensperger (Oberasbach) MSC: 65J20 65J10 65F35 47A52 PDFBibTeX XMLCite \textit{F. Öztürk} and \textit{F. Akdeniz}, Linear Algebra Appl. 321, No. 1--3, 295--305 (2000; Zbl 0974.65061) Full Text: DOI
Akdeniz, Fikri; Erol, Hamza; Öztürk, Fikri MSE comparisons of some biased estimators in linear regression model. (English) Zbl 0949.62063 J. Appl. Stat. Sci. 9, No. 1, 73-85 (1999). MSC: 62J05 62H12 PDFBibTeX XMLCite \textit{F. Akdeniz} et al., J. Appl. Stat. Sci. 9, No. 1, 73--85 (1999; Zbl 0949.62063)
Akdeniz, Fikri; Oeztuerk, Fikri The effects of multicollinearity - A geometric view. (English) Zbl 0497.62062 Commun. Fac. Sci. Univ. Ankara, Sér. A1, Math. Stat. 30, 17-26 (1981). MSC: 62J05 PDFBibTeX XMLCite \textit{F. Akdeniz} and \textit{F. Oeztuerk}, Commun. Fac. Sci. Univ. Ankara, Ser. A1, Math. Stat. 30, 17--26 (1981; Zbl 0497.62062)