A Forecast Combination Framework with Multi-Time Scale for Livestock Products’ Price Forecasting

Table 7

DM test results between the EW method and other combination methods.

Products	Counterpart methods
	GM-EW	HM-EW	RANK	INV-MSE	GM-MSE	VAR	GM-VAR
Pork	6.3854	6.3805	−7.3897	−7.1832	−7.3265	0.5359	0.9298
	()	()	()	()	()	()	()
Egg	4.8212	4.8212	4.8078	4.8098	4.8167	4.6953	4.6943
	()	()	()	()	()	()	()
Mutton	−2.8838	−2.8862	−2.8006	−2.7724	−2.7802	1.1983	1.1911
	(0.0057)	(0.0057)	(0.0072)	(0.0078)	(0.0076)	(0.2363)	(0.2391)
Beef	9.1085	9.1137	10.9290	10.8290	10.8180	9.1172	9.1663
	()	()	()	()	()	()	()

Numbers on the diagonal line are the S-statistic of the pairing models. Numbers in the brackets are the values of the corresponding S-statistic.