The Combination Forecasting of Electricity Price Based on Price Spikes Processing: A Case Study in South Australia

Table 7

Weights of the individual models in the combination models.

Weight; models	Traditional combination method				CPSO weight-determined combination method
	ARIMA	BP	Kalman	MAPE (%)	ARIMA	BP	Kalman	MAPE (%)
A-B	0.2500	0.7500	—	25.19	0.1798	0.8883	—	24.10
B-K	—	0.0000	1.0000	21.12	—	0	0.9523	14.70
A-K	0.0000	—	1.0000	21.12	−0.0498	1.0000	—	20.80
A-B-K	0.0000	0	1.0000	21.12	−0.0506	0.0024	1.0000	20.79