On potentially negative space time covariances obtained as sum of products of marginal ones
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Altres documents de l'autoria: Gregori, Pablo; Porcu, Emilio; Mateu, Jorge; Sasvári, Zoltán
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Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7037
comunitat-uji-handle3:10234/8635
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Títol
On potentially negative space time covariances obtained as sum of products of marginal onesData de publicació
2008Editor
Springer VerlagISSN
00203157Tipus de document
info:eu-repo/semantics/articleParaules clau / Matèries
Resum
Most of the literature on spatio-temporal covariance models proposes structures
that are positive in the whole domain. However, problems of physical, biological or
medical nature need covariance models allowing for ... [+]
Most of the literature on spatio-temporal covariance models proposes structures
that are positive in the whole domain. However, problems of physical, biological or
medical nature need covariance models allowing for negative values or oscillations
from positive to negative values. In this paper we propose an easy-to-implement
and interpretable class of models that admits this type of covariances. We show
particular analytical examples that may be of interest in the biometrical context [-]
Drets d'accés
The original publication is available at www.springerlink.com
http://rightsstatements.org/vocab/InC/1.0/
info:eu-repo/semantics/openAccess
http://rightsstatements.org/vocab/InC/1.0/
info:eu-repo/semantics/openAccess
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