Midterm Electricity Market Clearing Price Forecasting Using Two-Stage Multiple Support Vector Machine

Table 5

Performance evaluation results of MAE between the single and the two-stage multiple SVM in June 2010.

MAE	Low	Medium	High	Peak	System
Single	5.7523	6.9711	5.0316	15.9496	7.2523
Multiple	2.7764	7.5398	7.6556	11.1233	6.8106
PRIM	51.73%	−8.16%	−52.15%	30.26%	6.09%