Research Article

Analysis of Rear-End Crash on Thai Highway: Decision Tree Approach

Table 5

Misclassification costs.

Model#1
ObservedPredicted
Not-at-faultAt-faultPercent correct

Not-at-fault165444278.9%
At-fault153855826.6%
Overall76.2%23.8%52.9%

Model#2
ObservedPredicted
Nonfatal crashFatal crashPercent correct
Nonfatal crash2332106668.6%
Fatal crash52263454.8%
Overall62.7%37.3%65.1%