2024-03-29T16:01:59Zhttps://repositori.uji.es/oai/requestoai:repositori.uji.es:10234/1669222023-03-09T11:27:44Zcom_10234_7037com_10234_9col_10234_8635
Repositori UJI
author
Giraldo, Ramón
author
Mateu, Jorge
author
Delicado, Pedro
2017-03-22T12:31:29Z
2017-03-22T12:31:29Z
2015-12
GIRALDO, Ramón; MATEU, Jorge; DELICADO, Roberto. Geofd: An R Package for Function-Valued Geostatistical Prediction. , pp. 385-407
http://hdl.handle.net/10234/166922
Spatially correlated curves are present in a wide range of applied disciplines.
In this paper we describe the R package geofd which implements
ordinary kriging prediction for this type of data. Initially the curves are
pre-processed by fitting a Fourier or B-splines basis functions. After that
the spatial dependence among curves is estimated by means of the tracevariogram
function. Finally the parameters for performing prediction by
ordinary kriging at unsampled locations are by estimated solving a linear
system based estimated trace-variogram. We illustrate the software analyzing
real and simulated data.Curvas espacialmente correlacionadas están presentes en un amplio rango
de disciplinas aplicadas. En este trabajo se describe el paquete R geofd que
implementa predicción por kriging ordinario para este tipo de datos. Inicialmente
las curvas son suavizadas usando bases de funciones de Fourier o Bsplines.
Posteriormente la dependencia espacial entre las curvas es estimada
por la función traza-variograma. Finalmente los parámetros del predictor
kriging ordinario son estimados resolviendo un sistema de ecuaciones basado
en la estimación de la función traza-variograma. Se ilustra el paquete analizando
datos reales y simulados.
eng
Atribución-NoComercial-SinDerivadas 4.0 España
Functional data
Smoothing
Spatial data
Variogram
Datos funcionales
Datos espaciales
Suavizado
Variograma
Geofd: An R Package for Function-Valued Geostatistical Prediction
info:eu-repo/semantics/article
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URL
https://repositori.uji.es/xmlui/bitstream/10234/166922/1/Giraldo_2012_Geofd.pdf
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https://repositori.uji.es/xmlui/bitstream/10234/166922/10/Giraldo_2012_Geofd.pdf.txt
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