Table 9.
Accuracy indicators A, and of classification methods of Section 3 when validation is made on the full dataset and classifications are separate for each climatic zone of Section 2.6. Percentage values are reported for the entire dataset (row Global) and for the different climatic zones.
| LDA | QDA | PCDA | ICDA | CDA | ANN | KNN | ||
|---|---|---|---|---|---|---|---|---|
| 90.6 | 98.0 | 95.6 | 96.1 | 75.7 | 93.0 | 95.0 | ||
| Tropical | 80.3 | 70.6 | 81.3 | 78.3 | 76.0 | 89.1 | 93.6 | |
| A | 85.9 | 85.5 | 89.1 | 88.0 | 75.8 | 91.3 | 94.3 | |
| 97.4 | 96.6 | 94.2 | 96.4 | 87.1 | 88.1 | 93.7 | ||
| Mid-Lat Summer NH | 66.4 | 72.5 | 77.5 | 75.9 | 87.1 | 93.5 | 91.9 | |
| A | 75.5 | 79.6 | 82.4 | 81.9 | 87.1 | 91.9 | 92.4 | |
| 100 | 98.9 | 98.6 | 98.6 | 94.9 | 95.3 | 98.3 | ||
| Mid-Lat Summer SH | 85.8 | 88.9 | 91.3 | 91.7 | 94.3 | 97.8 | 96.9 | |
| A | 85.9 | 89.0 | 91.3 | 91.8 | 94.3 | 97.8 | 96.9 | |
| 84.7 | 95.9 | 94.7 | 95.4 | 91.2 | 83.5 | 94.9 | ||
| Mid-Lat Winter NH | 92.0 | 86.7 | 88.3 | 90.5 | 91.3 | 97.7 | 95.4 | |
| A | 91.1 | 87.8 | 89.1 | 91.1 | 91.3 | 96.0 | 95.3 | |
| 17.2 | 99.1 | 99.0 | 98.8 | 98.2 | 80.9 | 93.8 | ||
| Mid-Lat Winter SH | 98.5 | 75.8 | 78.8 | 83.0 | 83.5 | 97.3 | 94.9 | |
| A | 92.2 | 77.6 | 80.3 | 84.2 | 84.6 | 96.0 | 94.8 | |
| 71.2 | 83.6 | 82.1 | 88.1 | 75.0 | 39.6 | 90.8 | ||
| Hi-Lat Summer NH | 88.9 | 77.4 | 80.0 | 81.4 | 82.8 | 96.1 | 89.5 | |
| A | 87.7 | 77.8 | 80.2 | 81.8 | 82.3 | 92.2 | 89.6 | |
| 0 | 87.7 | 77.4 | 96.1 | 89.0 | 78.7 | 97.4 | ||
| Ice on sea NH | 99.3 | 98.2 | 98.2 | 92.6 | 98.8 | 99.9 | 93.6 | |
| A | 96.2 | 97.9 | 97.6 | 92.7 | 98.5 | 99.3 | 93.7 | |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Ice on sea SH | 99.9 | 99.7 | 99.1 | 97.7 | 99.9 | 99.9 | 97.1 | |
| A | 99.9 | 99.7 | 99.1 | 97.7 | 99.9 | 99.9 | 97.1 | |
| 19.0 | 26.0 | 24.1 | 35.0 | 20.0 | 25.9 | 74.6 | ||
| Ice over land NH | 96.8 | 96.6 | 97.0 | 95.7 | 99.0 | 99.2 | 95.1 | |
| A | 92.1 | 92.3 | 92.6 | 92.0 | 94.2 | 94.8 | 93.9 | |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Ice over land SH | 100 | 100 | 100 | 99.0 | 100 | 100 | 99.6 | |
| A | 100 | 100 | 100 | 99.0 | 100 | 100 | 99.6 | |
| 35.4 | 42.1 | 42.4 | 54.1 | 35.3 | 22.4 | 77.9 | ||
| Ice-over-elev-land NH | 95.6 | 95.7 | 95.8 | 91.9 | 98.0 | 99.2 | 91.4 | |
| A | 82.2 | 83.8 | 83.9 | 83.5 | 84.1 | 82.1 | 88.4 | |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Ice-over-elev-land SH | 100 | 100 | 100 | 100 | 100 | 100 | 100 | |
| A | 100 | 100 | 100 | 100 | 100 | 100 | 100 | |
| 91.4 | 97.4 | 95.0 | 96.0 | 78.6 | 91.1 | 94.6 | ||
| Global | 78.7 | 75.0 | 81.4 | 80.2 | 83.3 | 92.8 | 93.2 | |
| A | 83.7 | 83.9 | 86.8 | 86.4 | 81.5 | 92.1 | 93.7 |