Constructing space-time pdfs in Geosciences

G. Christakos; J. M. Angulo; H.-L. Yu

doi:10.21701/bolgeomin.122.4.009

Autores/as

G. Christakos Dept of Geography, SdSU - College of the Environment & Natural Resources, Zhejiang University
J. M. Angulo Dept of Statistics and Operations Research, UG
H.-L. Yu Dept of Bioenvironmental Systems Engineering, NTU

DOI:

https://doi.org/10.21701/bolgeomin.122.4.009

Palabras clave:

BME, cópulas, espacio-temporal, fáctoras, multivariante, probabilidad

Resumen

El objetivo de este trabajo es realizar un análisis comparativo de técnicas para la construcción de modelos de función de densidad de probabilidad multivariante (Mv-fdp) que pueden utilizarse en una variedad de aplicaciones geomatemáticas. El interés del artículo se centra en métodos formales y sustantivos para el desarrollo de modelos. Los primeros incluyen modelos que son especulativos y analíticamente tratables, mientras que los últimos se basan en la síntesis de conocimiento sustantivo. Más concretamente, el presente trabajo se enfoca a las técnicas basadas en fáctoras y cópulas para la construcción de Mv-fdp’s, y su análisis comparativo. Se discute asimismo un método de construcción de Mv-fdp’s sustantivo que genera modelos a partir de bases de conocimiento natural y tiene en cuenta el dominio conceptual y contextual de la situación in situ. Los métodos se comparan en términos de un estudio de simulación.

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