Table 5 Accuracy assessment and kappa coefficient for the year of 1990.
From: Farasan Island of Saudi Arabia confronts the measurable impacts of global warming in 45 years
Class name | Ground truth/references | Row total | Commission error | User accuracy | ||||
|---|---|---|---|---|---|---|---|---|
Vegetation | Scrub land | Bare land | Coastal low land | Built-up land | ||||
Vegetation | 29 | 4 | 3 | 1 | 1 | 38 | 23.68% | 76.32% |
Scrub land | 5 | 48 | 2 | 1 | 3 | 59 | 18.64% | 81.36% |
Bare land | 4 | 7 | 149 | 2 | 1 | 163 | 8.59% | 91.41% |
Coastal low land | 0 | 1 | 1 | 15 | 0 | 17 | 11.76% | 88.24% |
Built-up land | 0 | 1 | 1 | 0 | 21 | 23 | 8.70% | 91.30% |
Column total | 38 | 61 | 156 | 19 | 26 | 300 | ||
Omission error | 23.68% | 21.31% | 4.49% | 21.05% | 19.23% | |||
Producer accuracy | 76.32% | 78.69% | 95.51% | 78.95% | 80.77% | |||
Overall accuracy | 87.33% | Kappa Coefficient | 0.81 | |||||
