|In addition to the local value, all statistics of a categorical variable can be calculated around a location from a categorical spatial layer. E.g.: area or proportion of a category, most frequent (modal) category, the second and third mode, the number of categories, distance to the patch boundary or to a given category, different pattern and diversity indices.||
The answer needs to be updated
|ID||P||Question or exercise|
|3979||3|| Pixel values in file PK54443.rst represent basic areal categories according to Estonian topographical base map.
|3947||3|| Landscape diversity can be measured by the number of different land cover categories in a fixed size area or in certain radius around a location.