Empirical prediction intervals for additive Holt–Winters methods under misspecification
Boning Yang,
Xinyi Tang,
Chun Yip Yau
Abstract:Holt–Winters (HW) methods have been widely used by practitioners for the prediction of time series. However, traditional prediction intervals associated with the HW methods are only theoretically justified for a few types of SARIMA processes. In this article, we propose an empirical prediction interval for a general class of prediction procedures containing the HW methods as special cases. We establish the asymptotic validity of the prediction intervals under mild conditions, which allow model misspecification… Show more
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