Estimating and modeling space-time correlation structures

L. De Cesare, D. E. Myers and D. Posa

Statistics & Probability Letters, 2001, vol. 51, issue 1, 9-14

Abstract: In this paper, a class of product-sum covariance models has been introduced for estimating and modeling space-time correlation structures. It is shown how the coefficients of this class of models are related to the global sill and "partial" spatial and temporal sills; moreover, some constraints on these sills have been given in order to assure positive definiteness of the product-sum covariance model. A brief comparative study with some other classes of spatial-temporal covariance models has been pointed out.

Keywords: Space-time; correlation; Geostatistics (search for similar items in EconPapers)
Date: 2001
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Citations: View citations in EconPapers (12)

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