Sticky Dialog Bar | Support | GIS Dictionary

A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.

Learn more about A to Z GIS

GIS Dictionary

Browse dictionary

nominal data

URL copied Share URL
  1. [data structures] A method of organizing data values into categories that have an equivalent, or non-hierarchical, value. In GIS, nominal data is used to distinguish different types of features within a map theme. For example, a group of polygons colored to represent different soil types. Also known as categorical data or nominal-level data.

See also