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This research explores the robustness of simple linear regression and artificial neural networks with respect to varying sample size and variance of the error term by comparing their predictive abilities. The comparison is made using the root mean square difference between the predicted output from each technique and the actual output.
Department of Management Science and Information Technology, The Pamplin College of Business, Virginia Polytechnic Institute and State UniversityBlacksburg, Virginia 24061U.S.A.