
174 Computing in Geographic Information Systems
clusters of features with similar values. For example, a tax assessor
could create neighbourhoods by identifying clusters of block groups
with similar median house values.
4. Geo-statistics is a branch of statistics focusing on spatial or spatio-
temporal data sets.
5. Spatial analysis or spatial statistics
This includes any of the formal techniques which study entities using
their topological, geometric, or geographic properties. It refers to a
variety of techniques, many still in their early development, using
different analytic approaches and applied in diverse fields.
9.5 Descriptive Statistical Metho