Pedestrian Crash Exposure Analysis Using Alternative Geographically Weighted Regression Models

Table 4

Comparison of the exposure models developed in the study.

Model type (exposure)	MAD	RMSE
Exposure model (GLM) using all variables	26.91	40.12
Exposure model (GLM) using PCA variables	37.21	49.26
Exposure model (Tobit) using all variables	22.69	37.99
Exposure model (GLM) using random forest variables	31.06	42.40
Exposure model (Tobit) using RF variables	33.76	42.43
Exposure model (Tobit) using PCA variables	30.61	43.24