 Forecasting intraday time series with multiple seasonal cycles using parsimonious seasonal exponential smoothingJames W. Taylor and Ralph Snyder () Omega, 2012, vol. 40, issue 6, 748-757 Abstract: This paper concerns the forecasting of seasonal intraday time series that exhibit repeating intraweek and intraday cycles. A recently proposed exponential smoothing method involves smoothing a different intraday cycle for each distinct type of day of the week. Similar days are allocated identical intraday cycles. A limitation is that the method allows only whole days to be treated as identical. We introduce a new exponential smoothing formulation that allows parts of different days of the week to be treated as identical. The result is a method that involves the smoothing and initialisation of fewer terms. We evaluate forecasting up to a day ahead using two empirical studies. For electricity load data, the new method compares well with a range of alternatives. The second study involves a series of arrivals at a call centre that is open for a shorter duration at the weekends than on weekdays. Among the variety of methods considered, the new method is the only one that can model in a satisfactory way in this situation, where the number of periods on each day of the week is not the same. Keywords: Forecasting; Time series; Exponential smoothing; Electricity load; Call centre arrivals (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:jomega:v:40:y:2012:i:6:p:748-757 Ordering information: This journal article can be ordered from DOI: 10.1016/j.omega.2010.03.004 Access Statistics for this article Omega is currently edited by B. Lev More articles in Omega from Elsevier |
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