SPECIAL ISSUE PAPER
Forecasting Patient Visits to Hospitals using a WD&ANN-based Decomposition and Ensemble Model
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1
School of Economics and Management, Beijing University of Chemical Technology, Beijing 100029, CHINA
 
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Institute of Science and Development, Chinese Academy of Sciences, Beijing 100190, CHINA
 
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Department of Management Sciences, City University of Hong Kong, Kowloon, HONG KONG
 
 
Online publication date: 2017-11-14
 
 
Publication date: 2017-11-14
 
 
EURASIA J. Math., Sci Tech. Ed 2017;13(12):7615-7627
 
This article belongs to the special issue "Problems of Application Analysis in Knowledge Management and Science-Mathematics-Education".
KEYWORDS
ABSTRACT
Forecasting the number of patient visits to hospitals has aroused an increasingly large interest from both theoretic and application perspectives. To enhance the accuracy of forecasting hospital visits, this paper proposes a hybrid approach by coupling wavelet decomposition (WD) and artificial neural network (ANN) under the framework of “decomposition and ensemble”. In this model, the WD is first employed to decompose the original monthly data of the number of patient visits to hospitals into several components and one residual term. Then, the ANN as a powerful prediction tool is implemented to fit each decomposed component and generate individual prediction results. Finally, all individual prediction values are fused into the final prediction output by simple addition method. For illustration and verification, four sets of monthly series data of the number of patient visits to hospitals are used as the sample data, and the results show that the proposed model can obtain significantly more accurate forecasting results than all considered popular forecasting techniques.
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