Table 11.

Friedman test — Holm and Hochberg post hoc tests for RMSE (using proposed method as the control method, $\alpha =0.05$).

Method	Rank	z	Holm post hoc test		Hochberg post hoc test
			Adjusted p-value	Null hypothesis	Adjusted p-value	Null hypothesis
Naïve method	4.3571	3.5868	0.0013	Rejected	0.0174	Rejected
ARIMA	4.5714	3.8492	0.0006	Rejected	0.0174	Rejected
LR	4.1429	3.3243	0.0027	Rejected	0.0174	Rejected
SVR	6.3571	6.0362	0.0000	Rejected	0.0174	Rejected
ELM	3.5714	2.6245	0.0174	Rejected	0.0087	Rejected
LSTM	3.5714	2.6245	0.0174	Rejected	0.0174	Rejected