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USGS:Biology arrow icon Biological Informatics Program arrow icon Vegetation Characterization Program arrow icon Walnut Canyon National Monument arrow icon Accuracy Assessment Matrix

Accuracy Assessment Matrix

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    Reference Data (Field Data for Accuracy Assessment Class) Total Commission Error 90% Confidence Intervals  
  Map Code Other*1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 N (% Correct) - +
Sample Data (Map Classes) 1 1 16                   1                           17 94.1 71.4 21.5 16.0
2     4                                             4 100.0 59.7 100 4.0
3       0 1           1                             2 N/A N/A N/A 0
4         27     1       2                           30 90.0 77.4 95.9 27
5         1 5                                       6 83.3 49.8 96.2 5.0
6             1 1                                   2 50.0 12.1 87.9 1.0
7         8     4 6     1                           19 21.1 9.8 39.5 4.0
8 1       3 2   4 13 1 2 1   1                       26 50.0 31.9 61.6 13.0
9                   16   4   4 2 1                   28 57.1 43.6 73.2 16.0
10   1           2     26                             27 96.3 76.7 95.8 26.0
11         2     1   1   24   1   1                   30 80.0 65.7 89.3 24.0
12                     1   22     3                   26 84.6 69.8 92.9 22.0
13         2       1   1 5   19   2                   29 65.5 50.2 78.1 19.0
14         1         2 3 7     5   1                 19 26.3 13.4 45.1 5.0
15 1       1           1 2 2 3   18 2                 29 62.1 45.1 73.3 18.0
16         1         1   3     1   22                 26 84.6 63.6 88.5 22.0
17                                   0             1 1 N/A N/A N/A 0.0
18                                     1             1 100.0 27 100 1.0
19                                       3           3 100.0 52.6 100 3.0
20                                         3         3 100.0 52.6 100 3.0
21         1                                 6       7 85.7 54.7 96.7 6.0
22         3       1                           1     5 20.0 45.6 65.5 1.0
23                                               0   0 N/A N/A N/A 0.0
24                       1                         4 5 80.0 43.5 95.4 4.0
Total N 3 17 4 0 51 7 1 13 21 21 35 51 24 28 8 25 25 0 1 3 3 6 1