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      A characterization of the multivariate excess wealth ordering  [Article]

      Fernández Ponce, José María; Pellerey, Franco; Rodríguez Griñolo, María del Rosario (Elsevier, 2011-11)
      In this paper, some new properties of the upper-corrected orthant of a random vector are proved. The univariate rightspread or excess wealth function, introduced by Fernández-Ponce et al. (1996), is extended to multivariate ...
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      A new approach to multivariate lifetime distributions base don the excess-wealth concept an application in tumor Growth  [PhD Thesis]

      Rodríguez Griñolo, María del Rosario (2010)
      Las distribuciones de visa son de gran importancia en la teoría de modelización estocástica, teoría de la renovación, fiabilidad y análisis de supervivencia. El envejecimiento de un sistema físico o biológico se conoce ...
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      On a new NBUE property in multivariate sense: an application  [Article]

      Fernández Ponce, José María; Pellerey, Franco; Rodríguez Griñolo, María del Rosario (Elsevier, 2011-12-01)
      Multivariate lifetime data frequently arise so it is important to consider different multivariate distributions that could be used to model aging concepts. The generalization of univariate versions has two main problems. One ...