GIS Dictionary

1 [data analysis] A function of time, distance, or any other factor that incurs difficulty or an outlay of resources. […]

[spatial analysis] A raster dataset that identifies the cost of traveling through each cell in the raster. A cost raster

[ESRI software] The calculation of the least cumulative cost from each cell to specified source locations over a cost raster.

[ESRI software] An ArcGIS Spatial Analyst function that identifies the nearest source from each cell in a cost-weighted distance grid.

[ESRI software] An ArcGIS Spatial Analyst function that provides a road map from the cost weighted distance grid, identifying the

[ESRI software] An ArcGIS Spatial Analyst function that uses a cost grid to assign a valuethe least accumulative cost of

[software] Acronym for commercial off-the-shelf. Commercially available software or systems that are ready to use and which do not require

[federal government] The primary legal subdivision of all U.S. states except Alaska and Louisiana. The U.S. Census Bureau uses counties

[federal government] A statistical division of a county recognized by the U.S. Census Bureau for data presentation. County subdivisions can

[statistics] A statistical measure of the linear relationship between two variables. Covariance measures the degree to which two variables move

[ESRI software] A data model for storing geographic features. A coverage stores a set of thematically associated data considered to