Table 6 Accuracy assessment and kappa coefficient for the year of 2000.
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 | 35 | 5 | 2 | 2 | 1 | 45 | 22.22% | 77.78% |
Scrub land | 6 | 57 | 3 | 2 | 2 | 70 | 18.57% | 81.43% |
Bare land | 7 | 5 | 137 | 1 | 3 | 153 | 10.46% | 89.54% |
Coastal low land | 2 | 3 | 1 | 21 | 1 | 28 | 25.00% | 75.00% |
Built-up land | 0 | 1 | 1 | 0 | 28 | 30 | 6.67% | 93.33% |
Column total | 50 | 71 | 144 | 26 | 35 | 326 | ||
Omission error | 30.00% | 19.72% | 4.86% | 19.23% | 20.00% | |||
Producer accuracy | 70.00% | 80.28% | 95.14% | 80.77% | 80.00% | |||
Overall accuracy | 85.28% | Kappa coefficient | 0.79 | |||||
