Table 1.

RMSE estimates of the best models for each of the methods considered in this study based on the OOS evaluation.

Models	RMSE
Simple exponential smoothing with multiplicative errors – ETS (M,N,N)	24.37
Cubic smoothing spline with 5 degrees of freedom (complexity parameter)	54.56
Moving average model of order q = 28 days	25.81
ARIMA (3,0,1) with drift	22.02