A shared neighbor conditional autoregressive model for small area spatial data

A. B. Lawson, C. Rotejanaprasert, P. Moraga, J. Choi

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The use of conditional autoregressive (CAR) models for spatial effects is commonplace, especially when dealing with aggregated count data in health studies. CAR models are convenient and relatively easy to implement but suffer from the fact that they have limited flexibility in modeling correlation. We introduce a new CAR model that can accommodate different neighborhood features (including shared neighbors). Further, we examine via simulation how this model performs in comparison with standard CAR models. We also consider the application to a small area health data example.
Original languageEnglish (US)
Pages (from-to)383-392
Number of pages10
JournalEnvironmetrics
Volume26
Issue number6
DOIs
StatePublished - Sep 1 2015
Externally publishedYes

ASJC Scopus subject areas

  • Ecological Modeling
  • Statistics and Probability

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