The Importance of Exercise and General Mental Health on Prediction of Property-Damage-Only Accidents among Taxi Drivers in Tehran: A Study Using ANFIS-PSO and Regression Models
Table 3
Regression parameters.
Model
β Coefficient
Standard Error
t value
Significance
Variance Inflation Factor (VIF)
Multiple Regression
Constant
0.0743
0.0802
0.93
0.355
Exercise
-0.0044
0.00198
-2.22
0.027
1.01
General health
0.02327
0.00568
4.10
0.000
1.01
Equation→ Number of PDO = 0.0743 -0.0044 Exercise + 0.02327 General health
RMSE= 0.564, 8.51%, =7.80%
Standard Poisson Regression Model
Constant
-1.915
0.278
-6.88
0.000
Exercise
-0.02177
0.00952
2.28
0.023
1.01
General health
0.0664
0.0161
4.12
0.000
1.01
Equation→ ln(Number of PDO) = -1.915 -0.02177 Exercise + 0.0664 General health