Models’ performance metrics on the validation data set
| RMSE | MAE | |
| Decision tree | 0.183 | 0.149 |
| Gradient boosting machine | 0.181 | 0.147 |
| Linear regression | 0.181 | 0.147 |
| Linear ensemble* | 0.181 | 0.147 |
| Random forest ensemble* | 0.188 | 0.152 |
*Ensemble of three models: decision tree, gradient boosting machine and linear regression.
MAE, mean absolute error; RMSE, root mean squared error.