A Short-Term Solar Photovoltaic Power Optimized Prediction Interval Model Based on FOS-ELM Algorithm

Table 1

Evaluation of the monthly average accuracy comparison.

Climatic condition	Technique	nRMSE	MAPE
Winter season	ELM	0.984	1.770
	FOS-ELM	0.876	1.524
	OS-ELM	0.943	1.631
Autumn season	ELM	0.975	1.793
	FOS-ELM	0.893	1.528
	OS-ELM	0.934	1.632
Summer season	ELM	1.084	1.603
	FOS-ELM	0.893	1.432
	OS-ELM	0.934	1.584
Spring season	ELM	1.127	1.848
	FOS-ELM	0.952	1.549
	OS-ELM	1.042	1.673