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Modified Almost Unbiased Two-Parameter Estimator in linear regression model

Wu and Yang [1] proposed an almost unbiased two-parameter estimator as an alternative to the ordinary least squares estimator (OLSE) in a multicollinear regression model. We introduce modified almost unbiased two-parameter estimator by combining two ideas. The mean squared error matrix of the proposed estimator was derived and the performance compared with some existing estimators. The theoretical results were accompanied by a numerical example and a simulation study.