arrow
Return

GROEC: Combination method via Generalized Rolling Origin Evaluation

delete2020-01-01
delete11
PRE
AI
J
José Augusto Fiorucci *
F
Francisco Louzada
DOI:10.1016/j.ijforecast.2019.04.013delete
deleteOriginal
deleteOriginal request for help
deleteShare
deleteSave
Abstract

Abstract

En 中文
Combination methods have performed well in time series forecast competitions. This study proposes a simple but general methodology for combining time series forecast methods. Weights are calculated using a cross-validation scheme that assigns greater weights to methods with more accurate in-sample predictions. The methodology was used to combine forecasts from the Theta, exponential smoothing, and ARIMA models, and placed fifth in the M4 Competition for both point and interval forecasting. (C) 2019 Published by Elsevier B.V. on behalf of International Institute of Forecasters.
Keywords:
M4 competition
Forecast combination
Theta models
ARIMA models
Exponential smoothing
AI Summary

AI Summary

Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

International Journal of Forecasting cover
International Journal of Forecasting
IF:
7.1
Papers:
3.1K
Citations:
9.9K

Organization

U
universidade de brasilia
Scholars:
1.1W
Papers: 7.3K
Citations: 5
U
universidade de sao paulo
Scholars:
10.5W
Papers: 6.7W
Citations: 93