Practical 6/7

Question 1

There are three types of accuracy that should be considered when evaluating the accuracy of a dataset:

Answer 1

Positional: when the error is in the coordinates of the feature.
Thematic or attribute: when the error affects the value of the attribute
Topological: when the error is in the relationship between the objects/features.

Question 2

What is accuracy?

Answer 2

Accuracy can be understood as the extent to which an estimated data values approaches its true value (Heywood et al. 2011)