Autoregressive Prediction with Rolling Mechanism for Time Series Forecasting with Small Sample Size

Table 7

ARPE of the Chinese annual power load prediction results (%).

ARPE	ARPRM	GM(1,1) model	GM(1,1); rolling model	AR model with; linear interpolation
𝑡=15	3.08	0.68	0.68	0.08
𝑡=16	0.14	4.17	4.42	7.37