Table 5.
The characteristics of detection performance achieved by various ensembles of distance metric–based classifiers using the evaluation data set and the independent data set. Ten combinations with the highest performance as determined by the criterion C2 are displayed.a
| Combination of distance metrics | Sensitivity (%) | Specificity (%) | Accuracy (%) | Balanced accuracy (%) | Error (%) | Precision (%) | C2 |
| MAHb , MANc , CANd | 85.71 | 72.73 | 75.86 | 79.22 | 24.14 | 50.00 | 1.649 |
| CAN, EUCe, MAH, MAN, MINKf | 85.71 | 68.18 | 72.41 | 76.95 | 27.59 | 46.15 | 1.627 |
| EUC, MAH, CAN | 85.71 | 68.18 | 72.41 | 76.95 | 27.59 | 46.15 | 1.627 |
| MAH, MINK, CAN | 85.71 | 68.18 | 72.41 | 76.95 | 27.59 | 46.15 | 1.627 |
| EUC, MAH, MAN, CAN | 85.71 | 68.18 | 72.41 | 76.95 | 27.59 | 46.15 | 1.627 |
| EUC, MAH, MINK, CAN | 85.71 | 68.18 | 72.41 | 76.95 | 27.59 | 46.15 | 1.627 |
| MAH, MAN, MINK, CAN | 85.71 | 68.18 | 72.41 | 76.95 | 27.59 | 46.15 | 1.627 |
| MAH, MAN | 71.43 | 86.36 | 82.76 | 78.90 | 17.24 | 62.50 | 1.503 |
| EUC, MAH | 71.43 | 81.82 | 79.31 | 76.62 | 20.69 | 55.56 | 1.481 |
| MAH, MINK | 71.43 | 81.82 | 79.31 | 76.62 | 20.69 | 55.56 | 1.481 |
aThe best performing combination of the distance metrics is highlighted in bold.
bMAH: Mahalanobis.
cMAN: Manhattan.
dCAN: Canberra.
eEUC: Euclidean.
fMINK: Minkowski.