Table 2 Error matrix of landsat maps VCT (a), Hansen (b) and INEGI (c) identification of change and no change areas compared to the ground-plot data
(a) VCT | ||||
|---|---|---|---|---|
Change | No change | Sum | Producer’s | |
NFI plots | ||||
Change | 18 | 101 | 119 | 15 % |
No change | 11 | 517 | 528 | 98 % |
Sum | 29 | 618 | 647 | |
User’s | 62 % | 84 % | ||
Overall accuracy = 83 % | ||||
(b) Hansen | ||||
|---|---|---|---|---|
Change | No change | Sum | Producer’s | |
NFI plots | ||||
Change | 27 | 92 | 119 | 23 % |
No change | 22 | 506 | 528 | 96 % |
Sum | 49 | 598 | 647 | |
User’s | 55 % | 85 % | ||
Overall accuracy = 82 % | ||||
(c) INEGI | ||||
|---|---|---|---|---|
Change | No change | Sum | Producer’s | |
NFI plots | ||||
Change | 26 | 93 | 119 | 22 % |
No change | 44 | 484 | 528 | 92 % |
Sum | 70 | 577 | 647 | |
User’s | 37 % | 84 % | ||
Overall accuracy = 79 % | ||||