Vegetation Classification and Mapping Project Report - USGS

Table H-4. Contingency table: Management map classes.
Field assessment map class
Number of
samples
User accuracy/
commission error
(% correct)
90%
Confi dence
intervals
H7
Map
code
MN6 MN7 MN23 MN19 MN20 MN3 MN4 MN24 MN2 MN5 MN11 MN9 MN10 MN21 MN12
MN6 6
MN7 8 2 2
MN23 3 63 6 2 8 1 4
MN19 1 10 1 4 2 2
MN20 2
MN3 1 5 66 2 17 2
MN4 6 17 1
MN24 1 3 1 59 5 1 1 13
MN2 2 6 7 10 6 119 7 2 1 3
MN5 9 6
MN11 2 5 14 24 6
MN9 2
MN10 1
MN21 4 1 10 3 1 40
MN12 1 1 9
Number of samples 9.0 6.0 9.0 81.0 18.0 2.0 91.0 20.0 73.0 186.0 22.0 28.0 3.0 1.0 72.0 9.0
Producer
NTF 100.0 88.9 77.8 55.6 100.0 72.5 85.0 80.8 64.0 27.3 85.7 66.7 100.0 55.6 100.0
accuracy/omission
error (%correct)
90% confidence NTF 68.9 62.3 69.0 36.9 42.5 64.6 67.8 72.2 58.0 14.8 71.7 25.4 27.0 45.9 76.9
interval (-)
90% confidence
interval (+)
NTF 100.0 97.5 84.2 72.8 100.0 79.5 93.8 87.2 69.5 44.7 93.4 92.2 100.0 64.8 100.0
Vegetation map database map class
Overall accuracy = 68.6% Kappa index = 64.1% Standard error = 0.02
- +
6 100.0 68.9 100.0
12 66.7 43.1 84.1
87 72.4 63.9 79.5
20 50.0 32.7 67.3
2 100.0 42.5 100.0
93 71.0 62.7 78.0
24 70.8 54.1 83.3
84 70.2 61.5 77.7
163 73.0 66.9 78.3
15 40.0 22.3 60.7
51 47.1 36.0 58.4
2 100.0 42.5 100.0
1 100.0 27.0 100.0
59 67.8 57.3 76.8
11 81.8 57.3 93.8
Total number of samples:
630
Total correct: 432
Appendix H: Accuracy Assessment Data