Variogram Tutorial - Golden Software

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Variogram Tutorial Golden Software , Inc. 1 Variogram Tutorial Randal Barnes Golden Software , Inc. Variogram Tutorial Golden Software , Inc. 2 Table of Contents 1 Introduction 3 2 What does a Variogram represent? 4 3 What is a Variogram ? 6 4 The Variogram grid 7 5 Modeling the omni-directional Variogram 9 6 Modeling the Variogram anisotropy 12 7 Rules of thumb 15 8 Frequently asked questions 16 9 Some geostatistical references 21 Variogram Tutorial Golden Software , Inc. 3 1 Introduction The Variogram characterizes the spatial continuity or roughness of a data set.

location of observation i, and z i is the associated observed valueThere are . n(n - 1)/2 unique pairs of observations. For each of these pairs we can calculate the associated separation vector: (Dx i,j, Dy i,j) = (x i-x j, y i-y j) (3.2) When we want to infer the variogram for a particular separation vector, (x, DDy), we will use all of

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