Research Article

Practical Minimum Sample Size for Road Crash Time-Series Prediction Models

Table 7

The selected best-fit models for each sample size for Palestine.

CountrySample sizeBest-fit ARIMA modelModel fit statistics
Stationary R-squaredR-squaredMAE

Palestine
25(3, 2, 3)0.5300.8211092.853
15(3, 2, 3)0.5200.7421229.727