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).

ā€‰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
Average0.2300.2340.2140.2200.214ā€‰