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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 |
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