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| Application of a Geographically Weighted Regression on the Positivity Rate of Covid-19 in East Java
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Fitri Laila Ramadhani, Toha Saifudin, Elly Ana, Sediono
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Abstract:
East Java is the province with the highest number of confirmed Covid-19 cases in Indonesia and has a positivity rate of 30.7%. The positivity rate in East Java is high because it is still above the positivity rate of 17.8% and above the standard set by WHO and the Ministry of Health, which is <5%. The high positivity rate triggers fear and panic that has an impact on health, public welfare and the quality of human resources. The purpose of this research is to analyze the factors that influence the positivity rate in each regency/city in East Java. So, in modeling this phenomenon, the Geographically Weighted Regression (GWR) approach is used because this approach can overcome regional diversity which produces an estimator of model parameters for each observation location. The factors that are considered to influence the positivity rate are the percentage of households that have access to proper sanitation, the open unemployment rate, the percentage of poverty and the percentage of households that have a source of drinking water from protected wells. The results showed that the positivity rate in most areas of East Java was influenced by the open unemployment rate.
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