Table 6

Structure of optimal models for each category

CategoryModelStructureWeights
Domestic ARIMA ARIMA(1,0,3)(0,1,1)[12] with drift – 
Industrial ARIMA-ETS-NNAR ARIMA(0,1,1)(1,0,0)[12] 0.342 
ETS(A, Ad, A) 0.325 
NNAR(2,1,10)[12] 0.333 
Commercial ARIMA-ETS-NNAR ARIMA(0,1,2)(2,0,0)[12] 0.333 
ETS(A, Ad, A) 0.333 
NNAR(2,1,10)[12] 0.333 
Agricultural ARIMA-ETS-NNAR ARIMA(0,1,1)(2,0,0)[12] 0.325 
ETS(A, Ad, A) 0.349 
NNAR(4,1,10)[12] 0.326 
Other ETS-NNAR ETS(A, Ad, A) 0.5 
NNAR(3,1,10)[12] 0.5 
CategoryModelStructureWeights
Domestic ARIMA ARIMA(1,0,3)(0,1,1)[12] with drift – 
Industrial ARIMA-ETS-NNAR ARIMA(0,1,1)(1,0,0)[12] 0.342 
ETS(A, Ad, A) 0.325 
NNAR(2,1,10)[12] 0.333 
Commercial ARIMA-ETS-NNAR ARIMA(0,1,2)(2,0,0)[12] 0.333 
ETS(A, Ad, A) 0.333 
NNAR(2,1,10)[12] 0.333 
Agricultural ARIMA-ETS-NNAR ARIMA(0,1,1)(2,0,0)[12] 0.325 
ETS(A, Ad, A) 0.349 
NNAR(4,1,10)[12] 0.326 
Other ETS-NNAR ETS(A, Ad, A) 0.5 
NNAR(3,1,10)[12] 0.5 
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