Using Copulas to Measure Association between Air Pollution and Respiratory Diseases

Autor: Kostova, Snezhana P., Krassi V. Rumchev, Vlaev, Todor, Popova, Silviya B.
Jazyk: angličtina
Rok vydání: 2012
Předmět:
DOI: 10.5281/zenodo.1085237
Popis: Air pollution is still considered as one of the major environmental and health issues. There is enough research evidence to show a strong relationship between exposure to air contaminants and respiratory illnesses among children and adults. In this paper we used the Copula approach to study a potential relationship between selected air pollutants (PM10 and NO2) and hospital admissions for respiratory diseases. Kendall-s tau and Spearman-s rho rank correlation coefficients are calculated and used in Copula method. This paper demonstrates that copulas can be used to provide additional information as a measure of an association when compared to the standard correlation coefficients. The results find a significant correlation between the selected air pollutants and hospital admissions for most of the selected respiratory illnesses.
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