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Taking advantage of sampling deisgns in Bayesian spatial small ares survey studies

2021/12/10 by Carlos Vergara-Hernández, Vergara-Hernández, Carlos, Marc Marí-Dell’Olmo +5
Biochemistry, Genetics and Molecular Biology · Decision Sciences · Mathematics · #62P25 #FOS: Computer and information sciences #G.3 #Genetic and phenotypic traits in livestock #Methodology (stat.ME) #Statistical Methods and Bayesian Inference #demographic modeling and climate adaptation

paper · pdf · doi:10.48550/arxiv.2112.05468

openalex publication_date 2021/12/10 · openalex created_date 2021/12/31 · openalex updated_date 2026/07/28

Abstract

Spatial small area estimation models have become very popular in some contexts, such as disease mapping. Data in disease mapping studies are exhaustive, that is, the available data are supposed to be a complete register of all the observable events. In contrast, some other small area studies do not use exhaustive data, such as survey based studies, where a particular sampling design is typically followed and inferences are later extrapolated to the entire population. In this paper we propose a spatial model for small area survey studies, taking advantage of spatial dependence between units, which is the key assumption used for yielding reliable estimates in exhaustive data based studies. In addition, and in contrast to most spatial survey studies, we take the approach of also considering information on the sampling design and additional supplementary variables in order to yield small area estimates. This makes it possible to merge spatial and sampling based approaches into a common proposal

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