GIS Dictionary

A statistical measure of the spread of values from their mean, calculated as the square root of the sum of […]

A data classification method that finds the mean value, then places class breaks above and below the mean at intervals

[spatial statistics use for geostatistics] A measure of the compactness of a spatial distribution of features around its mean center.

[standards] The federal U.S. standard for classifying establishments by their primary type of business activity. Standard Industrial Classification codes (SIC

[map projections] A line on a sphere or spheroid that has no length compression or expansion after being projected; usually

[map projections] The line of latitude in a conic or cylindrical projection in normal aspect where the projection surface touches

[cartography] A type of diagram that consists essentially of a central point from which lines radiate outward. The central point

[software] A ready-to-use Web application that is designed for a specific purpose, such as a store locator or a map

1 [programming] In programming, the current data contained by an object. 2 [government] An autonomous political and administrative division of

[coordinate systems] A group of planar coordinate systems based on the division of the United States into more than 130

[ESRI software] A logical organization of all the states in the geodatabase. A state tree illustrates and maintains the logical