Table 4.

Critical indices of the Holt-Winters exponential smoothing, SARIMA^a, and Prophet models.

Indices	SARIMA	Holt-Winters	Prophet
MSEb	978.593	479.170	579.114
RMSEc	31.282	21.890	24.065
MAEd	25.247	17.380	17.501
MAPEe	16.270	11.130	N/Af
SMAPEg	16.883	12.080	N/A

^aSARIMA: seasonal autoregressive integrated moving average.

^bMSE: mean-square error.

^cRMSE: root-mean-square error.

^dMAE: mean absolute error.

^eMAPE: mean absolute percentage error.

^fN/A: not applicable.

^gSMAPE: symmetric mean absolute percentage error.