On the ridge regression estimator with sub-space restriction

R. Fallah, M. Arashi and S. M. M. Tabatabaey

Communications in Statistics - Theory and Methods, 2017, vol. 46, issue 23, 11854-11865

Abstract: In the linear regression model with elliptical errors, a shrinkage ridge estimator is proposed. In this regard, the restricted ridge regression estimator under sub-space restriction is improved by incorporating a general function which satisfies Taylor’s series expansion. Approximate quadratic risk function of the proposed shrinkage ridge estimator is evaluated in the elliptical regression model. A Monte Carlo simulation study and analysis based on a real data example are considered for performance analysis. It is evident from the numerical results that the shrinkage ridge estimator performs better than both unrestricted and restricted estimators in the multivariate t-regression model, for some specific cases.

Date: 2017
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Citations: View citations in EconPapers (4)

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DOI: 10.1080/03610926.2017.1285928

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