Table 12 Importance of variables included in the CART and MARS model
From: Social, economic, and legislative factors and global road traffic fatalities
Variable | Importance in CART | Importance in MARS | ||
|---|---|---|---|---|
2013 | 2016 | 2013 | 2016 | |
Education | 21 | 21 | 100 | 100 |
Income | 19 | 18 | 19.6 | 10.6 |
Life expectancy | 17 | 17 | 38.7 | 15 |
Safer vehicles | 14 | 13 | 5 | unused |
Happiness | 12 | 5 | unused | 38.5 |
Homicide | 10 | 12 | unused | unused |
Urban population | 3 | 2 | 16.5 | unused |
Unemployment | 2 | 1 | unused | unused |
GINI index | 1 | unused | unused | 19.5 |
Safer road users | unused | 11 | unused | unused |
Safer roads and mobility | unused | unused | unused | unused |