GIS Dictionary

[geocoding] In geocoding, the process of linking a record, such as an address, to a set of reference data. The […]

A kind of expression that evaluates to a number which is then typically stored in a variable, a field on

[ESRI software] In ArcGIS Spatial Analyst, a function that applies a mathematical operation to the values of a single input

[ESRI software] In Survey Analyst for field measurements, a set of relations between measurements and unknown coordinates.

[mathematics] A rectangular arrangement of data, usually numbers, in rows and columns. In computer science, a two-dimensional array is called

[spatial analysis] Acronym for modifiable areal unit problem. A challenge that occurs during the spatial analysis of aggregated data in

[map display] The maximum bounding rectangle (in x,y coordinates) of an on-screen map. Users cannot zoom out beyond the max

[mathematics] The average for a set of values, computed as the sum of all values divided by the number of

[spatial statistics use for geostatistics] The location of a single x,y coordinate value that represents the average x-coordinate value and

[geodesy] The average height of the surface of the sea for all stages of the tide over a nineteen-year period,

[spatial statistics use for geostatistics] In geostatistics, a property of a spatial process in which a spatial random variable has