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

Table 2

Results of ARPRM forecasting percent relative error for general verification (%).

Percent error	Experiments  1	Experiments  2	Experiments  3	Experiments  4
Step 𝑙=1	0.041	0.065	0.230	0.220
Step 𝑙=2	0.077	0.176	0.510	0.670
Step 𝑙=3	0.119	0.375	0.970	1.510
Step 𝑙=4	0.177	0.986	1.750	2.970
Step 𝑙=5	0.348	6.743	4.410	7.900

Note: Experiments 1–4 are defined in Table 1.