Vegetation Classification and Mapping Project Report - USGS

Appendix H: Accuracy Assessment Data
Number of
samples
User accuracy/
commission error
(% correct)
90% Confi dence
intervals
B18 B20 B22 B21 B23 B9 B10 B11 B25 B26 B14 B1 B6 B15 B8 B13 B17 B2 - +
1 3 3 1 30 56.7 41.9 70.4
6 100.0 68.9 100.0
2 12 66.7 43.1 84.1
11 9.1 2.1 32.3
1 28 42.9 28.8 58.2
1 2 1 1 1 1 20 50.0 32.7 67.3
2 7 30 13.3 6.1 26.6
32 87.5 74.9 94.3
1 6 31 16.1 8.1 29.6
2 100.0 42.5 100.0
1 18 38.9 22.7 58.0
1 24 70.8 54.1 83.3
1 0.0 N/A N/A
0 N/S N/S N/S
2 5 0.0 N/A N/A
1 1 2 1 9 2 31 35.5 23.0 50.3
1 28 67.9 52.3 80.2
5 4 1 16 37.5 20.8 57.8
5 1 2 2 7 25 20.0 10.1 35.8
2 0 2 4 0.0 N/A N/A
3 2 3 9 33.3 14.2 30.2
2 0 1 2 5 0.0 N/A N/A
1 2 16 6 29 55.2 40.2 69.3
4 1 13 2 2 6 31 41.9 28.6 56.6
1 1 100.0 27.0 100.0
1 4 3 6 19 21.1 9.8 39.5
1 1 2 12 30 40.0 27.7 54.9
1 3 2 1 1 1 29 6.9 2.3 18.8
11 1 11 1 0 1 30 0.0 N/A N/A
2 2 100.0 42.5 100.0
1 1 100.0 27.0 100.0
1 6 1 19 31.6 17.3 50.4
3 1 1 2 12 5 30 40.0 26.7 54.9
1 1 1 5 17 2 29 58.6 43.5 72.3
0 1 0.0 N/A N/A
1 9 11 81.8 57.3 93.8
37 0 16 1 43 16 5 6 62 5 0 3 1 7 45 27 6 9
Total number of
samples: 630
13.5 N/S 18.8 0.0 37.2 81.3 20.0 66.7 19.4 40.0 N/S 66.7 100.0 85.7 26.7 63.0 0.0 100.0
Total samples where
6.7 N/S 7.8 N/A 26.2 61.2 4.6 34.7 12.5 14.3 N/S 25.4 27.0 54.8 17.4 47.2 N/A N/A the field classification
and the map classification
25.3 N/S 38.8 N/A 49.8 92.2 56.5 88.3 28.8 72.8 N/S 92.2 100.0 96.7 38.9 76.4 N/A N/A
matched: 256
H3