Table 5 Model performance metrics.
Outcome variable | RMSE | MAE | R2 | |
---|---|---|---|---|
Stepwise regression | Life satisfaction | 2.534 | 2.081 | 0.028 |
Life worthwhileness | 2.463 | 2.012 | 0.013 | |
Family wellbeing | 2.683 | 2.154 | 0.010 | |
Mental wellbeing | 21.509 | 17.459 | 0.040 | |
Elastic net regression | Life satisfaction | 2.497 | 2.085 | 0.028 |
Life worthwhileness | 2.461 | 2.030 | 0.015 | |
Family wellbeing | 2.478 | 2.008 | 0.013 | |
Mental wellbeing | 20.325 | 16.772 | 0.055 | |
Random forest (with environmental variables) | Life satisfaction | 1.595 | 1.200 | 0.077 |
Life worthwhileness | 1.508 | 1.164 | 0.045 | |
Family wellbeing | 1.583 | 1.195 | 0.040 | |
Mental wellbeing | 17.226 | 13.715 | 0.062 | |
Random forest (without environmental variables) | Life satisfaction | 1.596 | 1.198 | 0.072 |
Life worthwhileness | 1.505 | 1.165 | 0.050 | |
Family wellbeing | 1.582 | 1.198 | 0.040 | |
Mental wellbeing | 17.273 | 13.745 | 0.053 |