GIS Dictionary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
N- Na Ne Nm No Ns Nt Nu

nugget

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[spatial statistics use for geostatistics] A parameter of a covariance or semivariogram model that represents independent error, measurement error, or […]

null constraint

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[ESRI software] A DBMS-defined restriction specifying that a column cannot contain a null value.

null hypothesis

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[statistics] A statement that essentially outlines an expected outcome when there is no pattern, no relationship, and/or no systematic cause

null value

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[spatial statistics use for geostatistics] The absence of a recorded value for a field. A null value differs from a

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