Research Article

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

Table 3

Test on the number of neural network hidden layer nodes (best validation performance in terms of MSE).

 1011121314Average

BFGS0.2600.2520.2500.2500.2080.242
CGB0.2020.2060.2540.2440.2460.230
CGF0.2080.2400.2040.2420.2320.224
CGP0.2200.2220.2020.2400.2020.218
GD0.2300.2320.2360.2240.2320.230
GDA0.2040.2060.2080.2040.2060.204
GDM0.4660.4720.2280.2160.2400.324
GDX0.2060.2020.2040.1980.2040.202
OSS0.2000.2020.2040.2440.2060.212
RP0.2060.2020.1980.2060.2100.204
SCG0.2040.2060.1980.2060.2040.204
LM0.2040.2040.1980.2080.2020.202
BR0.1990.1990.1990.1980.1980.198
Average0.2300.2340.2140.2200.214