Urban Traffic Travel Time Short-Term Prediction Model Based on Spatio-Temporal Feature Extraction

Table 2

CCM test of external driving factor and its correlation with target variables.

Candidate variable (xi)	Cross-map skill (travel_time∼xi)	Linear correlation (travel_time∼xi)
Minute	0.1030	−0.0143
Hour	0.0824	0.0072
Dayofweek	0.0718	−0.1250
Dayofyear	−0.0364	0.0125
Vacation	0.0303	−0.0484
T1	0.0681	0.6939
H1	0.0082	0.6701
Average_speed	0.0540	−0.2800
in_link_lagging	−0.0240	0.0140
out_link_lagging	0.1171	0.1644