Resumen
We offer a dual view of the dimple problem related to space-time correlation functions in terms of their contours.We find that the dimple property (Kent et al., 2011) in the Gneiting class of correlations is in oneto-one correspondence with nonmonotonicity of the parametric curve describing the associated contour lines. Further, we show that given such a nonmonotonic parametric curve associated with a given level set, all the other parametric curves at smaller levels inherit the nonmonotonicity. We propose a modified Gneiting class of correlations having monotonically decreasing parametric curves and no dimple along the temporal axis.
Idioma original | Inglés |
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Páginas (desde-hasta) | 995-1001 |
Número de páginas | 7 |
Publicación | Biometrika |
Volumen | 104 |
N.º | 4 |
DOI | |
Estado | Publicada - 1 dic. 2017 |