A Crash Severity Prediction Method Based on Improved Neural Network and Factor Analysis

Table 4

Summary of the performance relating to different models.

Category	Performance	Training accuracy (percentage)	Prediction accuracy (percentage)
NN	0.235	78.5	71.6
NN with std. PSO	0.232	78.6	72.4
NN with PSO ()	0.298	73.2	70.5
NN with PSO ()	0.194	80.4	73.1
NN with PSO ()	0.196	79.3	73.6