Table 1.
Settings for prediction algorithms
| Predictions | Package R | Settings |
|---|---|---|
| LR | lm [30] | Ind. Variables: SO2, NO2, LatLong |
| LRM | glm [32] | Ind. Variables: SO2, NO2, LatLong |
| Fischer Scoring Iteration: 2 | ||
| QR | quantreg [29] | Ind. Variables: SO2, NO2, LatLong |
| Tau=0.25 | ||
| RR | cv.glmnet [26] | Ind. Variables: SO2, NO2, LatLong |
| Alpha=0 | ||
| LaR | cv.glmnet [26] | Ind. Variables: SO2, NO2, LatLong |
| Alpha=1 | ||
| ER | cv.glmnet [26] | Ind. Variables: SO2, NO2, LatLong |
| Alpha=0.9 | ||
| RF | randomForest [9] | Ind. Variables: SO2, NO2, LatLong |
| mtry=1, proximity=0 | ||
| SVM | e1071 [15] | Ind. Variables: SO2, NO2, LatLong |
| Kernel=radial, cost=1, epsilon=0.1 | ||
| RP | rpart [40] | Ind. Variables: SO2, NO2, LatLong |
| method=exp |