2009
DOI: 10.1080/03610920802503396
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Combining Unbiased Ridge and Principal Component Regression Estimators

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Cited by 27 publications
(25 citation statements)
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“…The data was then used by Course et al (1995) to compare SMSE performance of URR, ORR and OLS. Recently, Batah et al (2009) used the same data to illustrate the comparisons among OLS and various ridge type estimators. We now use this data to illustrate the performance of the MUR estimator to the OLS, ORR and URR estimators to compare the MMSE performance of these estimators.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The data was then used by Course et al (1995) to compare SMSE performance of URR, ORR and OLS. Recently, Batah et al (2009) used the same data to illustrate the comparisons among OLS and various ridge type estimators. We now use this data to illustrate the performance of the MUR estimator to the OLS, ORR and URR estimators to compare the MMSE performance of these estimators.…”
Section: Resultsmentioning
confidence: 99%
“…This estimator is biased but reduces the variances of the regression coefficients. Subsequently, several other biased estimators of β have been proposed (Swindel, 1976;Sarkar, 1996;Batah and Gore, 2008;Batah et al, 2009;Arayesh and Hosseini, 2010;Asekunowo et al, 2010;Hirun and Sirisoponsilp, 2010;Rana et al, 2009). Swinded (1976) …”
Section: Introductionmentioning
confidence: 99%
“…Its goal is to get the important information from the data, to represent it as a set of new orthogonal (independent) variables called principal components. Mathematically, PCA depends on the eigen decomposition of positive semi definite matrices and on the singular value decomposition SVD of rectangular matrices [7] and In case of multicollinearity problem, the researchers used another forms to estimate the parameters like principal component regression PCR [1]. Where this problem occurs when the predictors included in the linear model are highly correlated with each other.…”
Section: Principal Component Analysismentioning
confidence: 99%
“…Alternatively, Kaciranlar and Sakallioglu (2001) introduced the r − d class estimator which is the combination of the Liu estimator and the PCR estimator. Batah et al (2009) obtained the modified r − k class ridge regression (MCRR) estimator by modifying the URR estimator in the line of the PCR estimator. The properties of the above proposed estimators have been studied by Nomura and Ohkubo (1985), Sarkar (1996) and Ozkale and Kaciranlar (2007) among others.…”
mentioning
confidence: 99%