Error matrix for 2011 Deepwater Slough, Milltown Island, and Reference Sites and 2013 Wiley vegetation mapping. RCG is the reed canarygrass classification, S&T is the shrubs and trees classification, EHP is the emergent herbaceous plant classification, CT is the cattail classification, OW is the open water classification.
| Classified in Ground Truth as: | Total | Accuracy | ||||||
|---|---|---|---|---|---|---|---|---|
| RCG | S&T | EHP | CT | OW | ||||
| Classified in Orthophoto as: | RCG | 155 | 2 | 25 | 31 | 0 | 213 | 73% |
| S&T | 3 | 142 | 8 | 10 | 0 | 163 | 87% | |
| EHP | 18 | 4 | 272 | 33 | 6 | 333 | 82% | |
| CT | 26 | 20 | 29 | 777 | 5 | 857 | 91% | |
| OW | 0 | 3 | 26 | 31 | 177 | 237 | 75% | |
| Total | 202 | 171 | 360 | 882 | 188 | 1803 | — | |
| Accuracy | 77% | 83% | 76% | 88% | 94% | — | 85% | |