An Approach for Demand Forecasting in Steel Industries Using Ensemble Learning

Table 8

Wilcoxon signed rank test statistic (W) (lower tail) and value for APE comparisons.

Model1 vs Model2	W		Model1 vs. Model2	W		Model1 vs. Model2	W
STACK1 vs STACK2	3794	>0.05	STACK2 vs RFR	2947	<0.05	GBR vs RFR	3740	>0.05
STACK1 vs XGBR	4085	>0.05	STACK2 vs MLP	2882	<0.05	GBR vs MLP	3374	>0.05
STACK1 vs GBR	3383	>0.05	STACK2 vs ELM	2270	<0.05	GBR vs ELM	2897	<0.05
STACK1 vs RFR	3057	<0.05	STACK2 vs SVR	1901	<0.05	GBR vs SVR	2392	<0.05
STACK1 vs MLP	2856	<0.05	XGBR vs GBR	3814	>0.05	RFR vs MLP	3857	>0.05
STACK1 vs ELM	2213	<0.05	XGBR vs RFR	3462	>0.05	RFR vs ELM	3048	<0.05
STACK1 vs SVR	1843	<0.05	XGBR vs MLP	3144	<0.05	RFR vs SVR	2372	<0.05
STACK2 vs XGBR	4023	>0.05	XGBR vs ELM	2720	<0.05	MLP vs ELM	3222	<0.05
STACK2 vs GBR	3333	>0.05	XGBR vs SVR	1957	<0.05	MLP vs SVR	2593	<0.05
						ELM vs SVR	3657	>0.05