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the presence of multicollinearity. After exhibiting the MSE of ridge estimator based on eigenvalues of design matrix, a …, increasing the correlation between the independent variables has positive effect on the MSE (signal-to-noise-ratio). However …> has negative effect on MSE. When the sample size increases the MSE decreases even when the correlation between the …
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The purpose of this paper is to introduce a new general Liu-type estimator which includes the ordinary least squares (OLS), ordinary ridge regression (ORR), Liu estimators and some estimators with two biasing parameters as special cases. Also, we investigate the superiority of the new Liu-type...
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Autocorrelation in errors and multicollinearity among the regressors are serious problems in regression analysis. The … aim of this paper is to examine multicollinearity and autocorrelation problems concurrently and to compare the r − k class …
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