Improvement of Regression Forecasting Models

Vasiliy Zubakin, Oleg Kosorukov and Nikita Moiseev

Modern Applied Science, 2015, vol. 9, issue 6, 344

Abstract: In this paper authors propose the technique, which decreases average forecast error of regression based models. The main idea of the method is to use the weighted sum of several regression equations, which satisfy Ordinary Least Squares prerequisites and have independent residuals, instead of only one. It is shown that if all method requirements are met, it is possible to decrease Mean Squared Error almost by half, using just three equations. This technique allows deriving equations which contain more predictors than the number of observations. Additionally, this method proves to be more consistent in time than any of regressions, used in it, separately. It is also illustrated, that the proposed method outperforms the regression equation, computed with the same independent variables, and, thus, it gives more accurate estimators of regression coefficients. Empirical results are provided as well.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:ibn:masjnl:v:9:y:2015:i:6:p:344

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