TIME-SERIES ANALYSIS OF COVID-19 CONFIRMED CASES IN SELECT COUNTRIES
Journal: International Journal of Advanced Research in Engineering and Technology (IJARET) (Vol.11, No. 08)Publication Date: 2020-08-31
Authors : Kritika Sharma Anurag Barthwal;
Page : 557-568
Keywords : COVID-19; dynamic time warping; correlation; time-series analysis; trajectory; pandemic.;
Abstract
The world is dealing with unprecedented times with COVID-19 pandemic ravaging one nation after another. Most of the nations which witnessed the pandemic earlier, are on the path of recovery, while the pandemic is discovering new grounds in Africa, South America and Asia. This work proposes a framework to compare the outbreak, spread and decline of the pandemic in countries like Italy, Spain, Germany, France and UK, which were strongly affected but have largely recovered and are in the process of unlocking restrictions are considered as case-study. Correlation analysis has been used to determine the association between COVID-19 cases timeseries of new COVID-19 cases in countries under study. Dynamic time warping (DTW) is used to measure the similarity between new COVID-19 cases time-series of the countries under study with different shapes and growth rates. It was observed that there was a strong correlation between the time-series of new COVID-19 cases of the countries under observation. The time-series of France, Germany, Italy and UK were found to be most similar. The strong correlation between the time-series of France, Germany, Italy, UK and China with that of India shows that the case-study of these countries could be used to understand the propagation of the trajectory of COVID-19 cases in countries where the outbreak is in preliminary stages.
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