Table 24.
User's and Producer's accuracies (%) for reporting themes for the continental United States. Standard errors are in parentheses. The symbol Δ = change. Agreement is defined as a match between the map labels and either the primary or alternate reference labels.
| Theme | User's accuracy | Producer's accuracy | ||||
|---|---|---|---|---|---|---|
| 2001–2011 | 2006–2011 | 2001–2006 | 2001–2011 | 2006–2011 | 2001–2006 | |
| Water loss | 65 (11) | 45 (17) | 86 (8) | 60 (13) | 29 (17) | 63 (11) |
| Water gain | 61 (12) | 87 (8) | 36 (15) | 32 (11) | 42 (12) | 19 (10) |
| Urban gain | 79 (2) | 68 (3) | 78 (3) | 30 (4) | 23 (5) | 28 (5) |
| Forest loss | 82 (2) | 79 (2) | 80 (3) | 51 (3) | 54 (5) | 37 (3) |
| Forest gain | 74 (3) | 72 (4) | 71 (5) | 22 (2) | 19 (3) | 21 (3) |
| Shrub loss | 58 (3) | 59 (4) | 60 (5) | 20 (2) | 16 (2) | 17 (2) |
| Shrub gain | 62 (2) | 64 (3) | 63 (4) | 35 (3) | 30 (3) | 23 (3) |
| Grass loss | 54 (4) | 61 (4) | 57 (5) | 20 (3) | 21 (3) | 18 (3) |
| Grass gain | 59 (3) | 67 (3) | 72 (4) | 33 (4) | 33 (5) | 29 (4) |
| Ag loss | 55 (5) | 66 (7) | 49 (6) | 26 (5) | 26 (7) | 27 (6) |
| Ag gain | 38 (7) | 47 (9) | 33 (9) | 24 (7) | 25 (10) | 25 (9) |
| Water no Δ | 89 (2) | 90 (2) | 90 (2) | 82 (3) | 82 (3) | 83 (3) |
| Urban no Δ | 82 (2) | 83 (2) | 82 (2) | 68 (2) | 67 (2) | 68 (2) |
| Forest no Δ | 93 (1) | 93 (1) | 94 (1) | 82 (1) | 82 (1) | 83 (1) |
| Shrub no Δ | 88 (1) | 88 (1) | 89 (1) | 77 (1) | 77 (1) | 77 (1) |
| Grass no Δ | 82 (2) | 81 (2) | 82 (2) | 72 (2) | 71 (2) | 72 (2) |
| Ag no Δ | 92 (1) | 92 (1) | 93 (1) | 85 (1) | 85 (1) | 85 (1) |