Table 2.

Root Mean Square Error of forecast comparison.

Forecasting time points	500 (training time points)				1000 (training time points)
	ANN	Fuzzy	NN	CA-AR (5)	ANN	Fuzzy	NN	CA-AR (5)
150	0.2059	0.1210	0.1462	0.0162	0.1297	0.0721	0.0950	0.0114
1500	0.6174	—	0.1050	0.0541	0.3221	—	0.0887	0.0533
2000	0.6328	—	0.0998	0.0487	0.356	—	0.0918	0.0486
2500	0.7607	—	0.0995	0.0497	0.3741	—	0.0910	0.0507
3000	0.7801	—	0.0976	0.0480	0.3613	—	0.0874	0.0479