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Comparisons of the r − k class estimator to the ordinary least squares estimator under the Pitman’s closeness criterion
Özkale, M., (2008)
Predictive performance of linear regression models
Özkale, M., (2015)
r − k Class estimator in the linear regression model with correlated errors
Şiray, Gülesen Üstündagˇ, (2014)