Table 3.
ML Algorithm | Performance Measure | |||||
---|---|---|---|---|---|---|
RMSE | R 2 | MAE | ||||
Training | Testing | Training | Testing | Training | Testing | |
bstTree | 3.33 | 5.22 | 0.83 | 0.44 | 2.56 | 3.75 |
glmboost | 2.32 | 3.08 | 0.92 | 0.84 | 1.96 | 2.47 |
glmnet | 0.25 | 0.52 | 1.00 | 0.99 | 0.17 | 0.39 |
knn | 5.37 | 6.75 | 0.48 | 0.16 | 3.90 | 4.98 |
lasso | 0.40 | 0.52 | 1.00 | 1.00 | 0.31 | 0.42 |
qrf | 0.87 | 5.86 | 0.99 | 0.30 | 0.40 | 4.57 |
rf | 2.47 | 5.09 | 0.94 | 0.49 | 1.86 | 4.15 |
rpart | 5.53 | 7.69 | 0.38 | 0.00 | 4.46 | 6.37 |
rpart1SE | 5.53 | 7.69 | 0.38 | 0.00 | 4.46 | 6.37 |
rpart2 | 5.92 | 6.98 | 0.29 | 0.03 | 4.63 | 5.75 |
svmLinear | 0.61 | 1.11 | 0.99 | 0.97 | 0.57 | 0.83 |
svmLinear2 | 0.61 | 1.11 | 0.99 | 0.97 | 0.57 | 0.83 |
svmPoly | 0.75 | 1.33 | 0.99 | 0.96 | 0.70 | 1.07 |
svmRadial | 2.57 | 4.70 | 0.93 | 0.51 | 1.57 | 3.64 |
treebag | 5.22 | 7.02 | 0.48 | 0.02 | 4.13 | 5.54 |
xgbLinear | 0.03 | 4.61 | 1.00 | 0.67 | 0.02 | 3.32 |
xgbTree | 1.13 | 3.98 | 0.98 | 0.70 | 0.93 | 3.19 |