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1167 0
2015-03-20

Authors:

Andrew O. Finley, Sudipto Banerjee, Alan E. Gelfand

Title:

[download]
(479)
spBayes for Large Univariate and Multivariate Point-Referenced Spatio-Temporal Data Models

Reference:

Vol. 63, Issue 13, Feb 2015Submitted 2013-06-03, Accepted 2014-09-04

Type:

Article

Abstract:

In this paper we detail the reformulation and rewrite of core functions in the spBayes R package. These efforts have focused on improving computational efficiency, flexibility, and usability for point-referenced data models. Attention is given to algorithm and computing developments that result in improved sampler convergence rate and efficiency by reducing parameter space; decreased sampler run-time by avoiding expensive matrix computations, and; increased scalability to large datasets by implementing a class of predictive process models that attempt to overcome computational hurdles by representing spatial processes in terms of lower-dimensional realizations. Beyond these general computational improvements for existing model functions, we detail new functions for modeling data indexed in both space and time. These new functions implement a class of dynamic spatio-temporal models for settings where space is viewed as continuous and time is taken as discrete.

Paper:

[download]
(479)
spBayes for Large Univariate and Multivariate Point-Referenced Spatio-Temporal Data Models
(application/pdf, 2.9 MB)

Supplements:

[download]
(31)
spBayes_0.3-9.tar.gz: R source package
(application/x-gzip, 480.6 KB)

[download]
(34)
v63i13.R: R example code from the paper
(application/octet-stream, 14 KB)

Resources:

BibTeX | OAI


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