Table 7 Accuracy assessment and kappa coefficient for the year of 2010.
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 | 41 | 6 | 2 | 1 | 2 | 52 | 21.15% | 78.85% |
Scrub land | 6 | 67 | 4 | 2 | 3 | 82 | 18.29% | 81.71% |
Bare land | 8 | 4 | 134 | 0 | 2 | 148 | 9.46% | 90.54% |
Coastal low land | 2 | 1 | 1 | 14 | 1 | 19 | 26.32% | 73.68% |
Built-up land | 1 | 1 | 1 | 0 | 35 | 38 | 7.89% | 92.11% |
Column total | 58 | 79 | 142 | 17 | 43 | 339 | ||
Omission error | 29.31% | 15.19% | 5.63% | 17.65% | 18.60% | |||
Producer accuracy | 70.69% | 84.81% | 94.37% | 82.35% | 81.40% | |||
Overall accuracy | 85.84% | Kappa coefficient | 0.80 | |||||
