Table 8 Accuracy assessment and kappa coefficient for the year of 2020.
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 | 49 | 5 | 3 | 1 | 1 | 59 | 16.95% | 83.05% |
Scrub land | 7 | 71 | 3 | 1 | 4 | 86 | 17.44% | 82.56% |
Bare land | 4 | 3 | 124 | 0 | 2 | 133 | 6.77% | 93.23% |
Coastal low land | 2 | 0 | 1 | 11 | 1 | 15 | 26.67% | 73.33% |
Built-up land | 2 | 1 | 2 | 0 | 43 | 48 | 10.42% | 89.58% |
Column total | 64 | 80 | 133 | 13 | 51 | 341 | ||
Omission error | 23.44% | 11.25% | 6.77% | 15.38% | 15.69% | |||
Producer accuracy | 76.56% | 88.75% | 93.23% | 84.62% | 84.31% | |||
Overall accuracy | 87.39% | Kappa coefficient | 0.83 | |||||
