TABLE IV.
Optimization parameters for various feature sets of all Models
| Feature Set | Model | Optimization Parameters |
|---|---|---|
| Spatiotemporal | ENS | Method: LogitBoost |
| Learner: Logistic, Lambda: 0.01169 | ||
| KNN | Num Neighbors: 3 | |
| Solver: SMO, Kernel Function: Linear, Box Constraint: 41.478, Kernel Scale: 21.404 | ||
| Tree | Min Leaf Size: 19 | |
| Stride | ENS | Method: Bag |
| Learner: Logistic, Lambda: 0.01 | ||
| KNN | Distance: cityblock, Num Neighbors: 7 | |
| Solver: SMO, Kernel Function: Linear, Box Constraint: 22.287, Kernel Scale: 23.763 | ||
| Tree | Min Leaf Size: 27 | |
| EDSS | ENS | Method: Bag |
| Learner: Logistic, Lambda: 0.0015 | ||
| KNN | Distance: chebychev, Num Neighbors: 20 | |
| Solver: SMO, Kernel Function: Linear, Box Constraint: 575.38, Kernel Scale: 76.8350 | ||
| Tree | Min Leaf Size: 10 | |
| PRM | ENS | Method: Bag |
| Learner: Logistic, Lambda: 0.010281 | ||
| KNN | Distance: chebychev, Num Neighbors: 20 | |
| Solver: SMO, Kernel Function: Linear, Box Constraint: 5.737, Kernel Scale: 10.624 | ||
| Tree | Min Leaf Size: 5 | |
| PRM + EDSS | ENS | Method: Bag |
| Learner: Logistic, Lambda: 0.0103 | ||
| KNN | Distance: chebychev, Num Neighbors: 20 | |
| Solver: SMO, Kernel Function: Linear, Box Constraint: 5.737, Kernel Scale: 10.624 | ||
| Tree | Min Leaf Size: 5 |
ENS: Ensemble; LR: Logistic Regression; KNN: K-Nearest Neighbors; SVM: Support Vector Machine; Tree: Decision Tree; SMO: Sequential Minimal Optimization