A variance-ratio test for supporting a variable mean in kriging
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- Kitanidis, P.K. Math Geol (1997) 29: 335. doi:10.1007/BF02769639
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This article discusses the issue of whether to use a variable mean and describes a test that can be used to evaluate whether it is justified to add terms to the drift (deterministic part) of a geostatistical model. The basic model could be the intrinsic one, where the deterministic part is a constant, and the alternate model could be any model that includes a constant term in the expression for the drift. Also, differences between constant- and variable-mean models are discussed.