Table 5: Bridge Series Predictive Accuracy

Table 5: Bridge Series Predictive Accuracy

Sample period: 1998-2003

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Series RMSE U-statistic U-bias U-variance U-covariance
Bridge of the Americas Northbound Light Vehicle Traffic
ELBAC1 1.573 0.181 0.31 0.02 0.67
ELBAC2 1.900 0.241 0.27 0.06 0.67
Bridge of the Americas Northbound Cargo Vehicle Traffic
ELBAT1 0.089 0.831 0.45 0.31 0.24
ELBAT2 0.026 0.269 0.08 0.01 0.91
Bridge of the Americas Northbound Pedestrian Traffic
ELBAW1 0.273 0.760 0.01 0.04 0.95
ELBAW2 0.327 0.883 0.12 0.05 0.83
Paso del Norte Bridge Northbound Light Vehicle Traffic
ELBPC1 0.430 0.091 0.26 0.01 0.73
ELBPC2 0.506 0.11 0.15 0.03 0.82
Paso del Norte Bridge Northbound Pedestrian Traffic
ELBPW1 1.237 0.228 0.62 0.00 0.38
ELBPW2 1.469 0.272 0.74 0.00 0.26
Ysleta-Zaragoza Bridge Northbound Light Vehicle Traffic
ELBYC1 0.339 0.110 0.00 0.02 0.98
ELBYC2 0.432 0.141 0.08 0.05 0.87
Ysleta-Zaragoza Bridge Northbound Cargo Vehicle Traffic
ELBYT1 0.041 0.451 0.61 0.05 0.34
ELBYT2 0.035 0.406 0.02 0.02 0.96
Ysleta-Zaragoza Bridge Northbound Pedestrian Traffic
ELBYW1 0.209 0.929 0.27 0.02 0.71
ELBYW2 0.248 0.995 0.46 0.12 0.42

1 Previously published borderplex structural model forecast.

2 Random walk forecast calculated as last available historical observation.