Table 1 Mean absolute error and p-values of the three developed models, for each year.
Year | Linear model | Random forest | Random forest + boruta | |||
|---|---|---|---|---|---|---|
MAE | p-value | MAE | p-value | MAE | p-value | |
2015 | 0.32 ± 0.03 | 0.02 ± 0.03 | 0.24 ± 0.01 | <1% | 0.22 ± 0.01 | <1% |
2016 | 0.32 ± 0.03 | 0.03 ± 0.03 | 0.21 ± 0.01 | <1% | 0.20 ± 0.01 | <1% |
2017 | 0.29 ± 0.02 | 0.01 ± 0.01 | 0.23 ± 0.01 | <1% | 0.21 ± 0.01 | <1% |
2018 | 0.29 ± 0.02 | 0.01 ± 0.01 | 0.24 ± 0.01 | <1% | 0.23 ± 0.01 | <1% |
2019 | 0.30 ± 0.01 | 0.01 ± 0.01 | 0.22 ± 0.01 | <1% | 0.20 ± 0.01 | <1% |
