Fig 1.
Flow chart of the proposed algorithm.
Fig 2.
Number of outpatient visits by month from 2005 to 2013.
Fig 3.
Decomposition of outpatient visits.
Fig 4.
BPANN model.
Table 1.
Parameters of BPANN.
Table 2.
Parameters of PSO.
Fig 5.
Variation of the best fitness with iteration.
Fig 6.
Result prediction and raw data of each component from December 2012 to December 2013.
Fig 7.
Prediction value and the observed data.
Fig 8.
Comparison predictions with five methods from December 2012 to December 2013.
Table 3.
Comparison of evaluation indexes (best performers are in bold font).
Fig 9.
The relationship between the seasonal fluctuation index and RE of the predictions by the five methods.
(Histograms and curves represent RE of the predictions and the seasonal fluctuation index, respectively).