Link to Table Of Content
Exercises
- Review the facts that influence the attribute accuracy of real world objects and phenomenon.
- The 1990 land use map is 1:250000 scale. The 2000 land use map is 1:50000 scale. Is it logical to overlay the two maps to
analyze the land use changes? Explain your opinion.
- Calculate the sample size to evaluate the attribute accuracy for a map that has 15 categories.
- Calculate the overall, producer and user attribute accuracy of the following dataset.
Land cover
|
A
|
B
|
C
|
D
|
E
|
F
|
A. Mixed Forest
|
8
|
0
|
1
|
0
|
2
|
0
|
B. Paddy
|
0
|
10
|
0
|
2
|
0
|
1
|
C. Plantation
|
3
|
0
|
21
|
0
|
4
|
0
|
D. Corn
|
0
|
0
|
0
|
9
|
0
|
3
|
E. Pine
|
4
|
0
|
5
|
0
|
23
|
0
|
F. Sugarcane
|
0
|
2
|
0
|
3
|
0
|
14
|