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
nugget
URL copiedShare URL
[statistics]
A parameter of a covariance or semivariogram model that represents independent error, measurement error, or microscale variations of fractional values. The nugget effect is seen as a discontinuity at the origin of either the covariance or semivariogram model.