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RELATIVE RISK OF CORONAVIRUS DISEASE (COVID-19) IN SOUTH SULAWESI PROVINCE, INDONESIA: BAYESIAN SPATIAL MODELING

*Aswi Aswi orcid scopus publons  -  Statistics Department, Faculty of Mathematics and Natural Science, Universitas Negeri Makassar, Indonesia
Andi Mauliyana  -  Statistics Department, Faculty of Mathematics and Natural Science, Universitas Negeri Makassar, Indonesia
Muhammad Arif Tiro  -  Statistics Department, Faculty of Mathematics and Natural Science, Universitas Negeri Makassar, Indonesia
Muhammad Nadjib Bustan scopus  -  Statistics Department, Faculty of Mathematics and Natural Science, Universitas Negeri Makassar, Indonesia
Open Access Copyright (c) 2021 MEDIA STATISTIKA under http://creativecommons.org/licenses/by-nc-sa/4.0.

Citation Format:
Abstract
The Covid-19 has exploded in the world since late 2019. South Sulawesi Province has the highest number of Covid-19 cases outside Java Island in Indonesia. This paper aims to determine the most suitable Bayesian spatial conditional autoregressive (CAR) localised models in modeling the relative risk (RR) of Covid-19 in South Sulawesi Province, Indonesia. Bayesian spatial CAR localised models with different hyperpriors were performed adopting a Poisson distribution for the confirmed Covid-19 counts to examine the grouping of Covid-19 cases. All confirmed cases of Covid-19 (19 March 2020-18 February 2021) for each district were included. Overall, Bayesian CAR localised model with G = 5 with a hyperprior IG (1, 0.1) is the preferred model to estimate the RR based on the two criteria used. Makassar and Toraja Utara have the highest and the lowest RR, respectively. The group formed in the localised model is influenced by the magnitude of the mean and variance in the count data between areas. Using suitable Bayesian spatial CAR localised models enables the identification of high-risk areas of Covid-19 cases. This localised model could be applied in other case studies.
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Keywords: COVID-19; Relative risk; Bayesian CAR localised
Funding: None

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  1. THE INTERPLAY BETWEEN CLUSTERS, COVARIATES, AND SPATIAL PRIORS IN SPATIAL MODELLING OF COVID-19 IN SOUTH SULAWESI PROVINCE, INDONESIA

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Last update: 2024-12-15 02:43:39

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