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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/17112

Title: Knowing what to expect, forecasting monthly emergency department visits: A time-series analysis
Authors: BERGS, Jochen
Heerinckx, Philippe
Verelst, Sandra
Issue Date: 2014
Citation: International emergency nursing (Online), 22 (2), p. 112-115
Abstract: Objective To evaluate an automatic forecasting algorithm in order to predict the number of monthly emergency department (ED) visits one year ahead. Methods We collected retrospective data of the number of monthly visiting patients for a 6-year period (2005–2011) from 4 Belgian Hospitals. We used an automated exponential smoothing approach to predict monthly visits during the year 2011 based on the first 5 years of the dataset. Several in- and post-sample forecasting accuracy measures were calculated. Results The automatic forecasting algorithm was able to predict monthly visits with a mean absolute percentage error ranging from 2.64% to 4.8%, indicating an accurate prediction. The mean absolute scaled error ranged from 0.53 to 0.68 indicating that, on average, the forecast was better compared with in-sample one-step forecast from the naïve method. Conclusion The applied automated exponential smoothing approach provided useful predictions of the number of monthly visits a year in advance.
Notes: Reprint Address: Bergs, J (reprint author)Hasselt Univ, Agoralaan Bldg D,Room 54, B-3590 Diepenbeek, Belgium.E-mail Addresses: Jochen.bergs@uhasselt.be
URI: http://hdl.handle.net/1942/17112
DOI: 10.1016/j.ienj.2013.08.001
ISI #: 000334438600009
ISSN: 1878-013X
Category: A1
Type: Journal Contribution
Validation: ecoom, 2015
Appears in Collections: Research publications

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