Short-Term Traffic State Prediction Based on the Critical Road Selection Optimization in Transportation Networks

Table 2

Performance of the STRCN using different critical road selection methods.

Extracting rate	QoS-based method		Random method		Coverage-based method
	RMSE	RMSEP (%)	RMSE	RMSEP (%)	RMSE	RMSEP (%)
1.0	6.767	21.019	6.766	21.013	6.768	21.022
0.9	6.911	21.572	6.901	22.021	6.875	21.531
0.8	7.143	22.698	7.175	22.781	7.144	22.700
0.7	7.144	22.693	7.231	23.276	7.174	23.091
0.6	7.027	21.425	7.285	23.763	7.186	23.113
0.5	7.089	21.889	7.301	24.017	7.197	23.150
0.4	7.179	22.802	7.376	24.172	7.223	23.350
0.3	7.235	23.763	7.405	24.508	7.331	24.003
0.2	7.471	24.078	7.479	24.967	7.474	24.095
0.1	7.701	25.102	7.705	25.109	7.703	25.108