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Land-use classification accuracy assessed by overall accuracy and Kappa coefficient. The p value for the McNemar’s test greater than 0.05 indicates no significant difference between the accuracies of two compared classifications
| Classification | Overall accuracy (%) | Kappa coefficient | McNemar’s test | ||
|---|---|---|---|---|---|
| Compared classification | χ 2 | p value | |||
| 1988 | 89.8 | 0.88 | 2001 | 0.50 | 0.480 |
| 2001 | 89.3 | 0.87 | 2009 | 3.13 | 0.077 |
| 2009 | 90.8 | 0.89 | 1988 | 2.25 | 0.134 |
