Hybrid Models Based on Singular Values and Autoregressive Methods for Multistep Ahead Forecasting of Traffic Accidents

Table 3

Multistep ahead prediction—average results, MAPE, and RMSE.

(week)	(%)				(%)
	SSA-AR	SSA-ANN	HSVD-AR	HSVD-ANN	SSA-AR	SSA-ANN	HSVD-AR	HSVD-ANN
1	0.1	0.1	0.8	0.9	0.05	0.05	0.36	0.43
2	0.3	0.3	1.1	1.4	0.13	0.13	0.54	0.67
3	0.4	0.5	1.4	1.8	0.21	0.22	0.67	0.87
4	0.6	0.7	1.7	2.2	0.30	0.32	0.79	1.03
5	0.9	1.0	1.9	2.8	0.40	0.45	0.89	1.23
6	1.1	1.3	2.2	3.1	0.52	0.6	0.99	1.37
7	1.3	1.5	2.4	3.5	0.64	0.7	1.11	1.59
8	1.6	1.8	2.6	3.7	0.76	0.8	1.19	1.70
9	1.8	2.3	2.6	3.8	0.88	0.9	1.22	1.72
10	2.1	2.5	2.6	3.8	1.0	1.1	1.22	2.19
11	2.4	2.9	2.5	3.8	1.1	1.3	1.18	2.18
12	2.6	3.3	2.3	2.9	1.2	1.4	1.13	1.34
13	2.9	4.1	2.3	3.5	1.3	2.0	1.06	1.98
14	3.1	4.7	2.0	4.2	1.4	2.3	0.91	2.07
Min	0.1	0.1	0.8	0.9	0.05	0.06	0.36	0.4
Max	3.1	4.7	2.6	4.2	1.4	2.3	1.22	2.2
Mean 1–14 steps	1.5	1.9	2.0	2.9	0.7	0.9	1.0	1.4
Mean 12–14 steps	2.9	4.0	2.2	3.5	1.3	1.9	1.0	1.8