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Table 3 Illustration of the cross-validation test

From: Lessening the adverse effect of the semivariogram model selection on an interpolative survey using kriging technique

Model

Experimental value, R (Ω m)

Estimated value \(R^{*}\) (Ω m)

\(\frac{{R^{*} - R}}{R}(\% )\)

Comments

Gaussian

200

201

+0.5

Almost identical

Exponential

200

132

−34

Underestimated

Magnetic

200

143

−29

Underestimated

Spherical

200

98

−51

Very underestimated

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