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RMS error - [spatial statistics (use for geostatistics)] Acronym for root mean square error. A measure of the difference between locations that are known and locations that have been interpolated or digitized. RMS error is derived by squaring the differences between known and unknown points, adding those together, dividing that by the number of test points, and then taking the square root of that result.
[Category=Geospatial ]
Source: esri, 05 August 2012 09:33:37, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation
Data Quality Glossary. A free resource from GRC Data Intelligence. For comments, questions or feedback: dqglossary@grcdi.nl