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Hourly electricity demand forecasting based on innovations state space exponential smoothing models
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 Title & Authors
Hourly electricity demand forecasting based on innovations state space exponential smoothing models
Won, Dayoung; Seong, Byeongchan;
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 Abstract
We introduce innovations state space exponential smoothing models (ISS-ESM) that can analyze time series with multiple seasonal patterns. Especially, in order to control complex structure existing in the multiple patterns, the model equations use a matrix consisting of seasonal updating parameters. It enables us to group the seasonal parameters according to their similarity. Because of the grouped parameters, we can accomplish the principle of parsimony. Further, the ISS-ESM can potentially accommodate any number of multiple seasonal patterns. The models are applied to predict electricity demand in Korea that is observed on hourly basis, and we compare their performance with that of the traditional exponential smoothing methods. It is observed that the ISS-ESM are superior to the traditional methods in terms of the prediction and the interpretability of seasonal patterns.
 Keywords
seasonal time series model;Holt-Winters model;multiple seasonal patterns;unobserved components model;smoothing parameters;
 Language
Korean
 Cited by
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