2022
DOI: 10.1016/j.physa.2022.127488
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Multi-scale causality analysis between COVID-19 cases and mobility level using ensemble empirical mode decomposition and causal decomposition

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Cited by 8 publications
(5 citation statements)
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“…On the contrary, when the number of people infected with COVID-19 decreases, the economy gradually recovers, workers start to take jobs, incomes increase, and the month-on-month growth of CPI decrease. This means that the number of people infected with COVID-19 is proportional to the month-on-month growth of CPI, which can also be reflected by the symbol of IC3 in Equation (7). In terms of correlation and trend comparison, the month-on-month growth of CPI can be seen as an influencing factor corresponding to IC3.…”
Section: The Relationship and Comparison Between Ics And Important Fa...mentioning
confidence: 98%
See 1 more Smart Citation
“…On the contrary, when the number of people infected with COVID-19 decreases, the economy gradually recovers, workers start to take jobs, incomes increase, and the month-on-month growth of CPI decrease. This means that the number of people infected with COVID-19 is proportional to the month-on-month growth of CPI, which can also be reflected by the symbol of IC3 in Equation (7). In terms of correlation and trend comparison, the month-on-month growth of CPI can be seen as an influencing factor corresponding to IC3.…”
Section: The Relationship and Comparison Between Ics And Important Fa...mentioning
confidence: 98%
“…For predicting the COVID-19 outbreak, Hasan et al [6] suggested a hybrid model combining artificial neural network (ANN) and EEMD. Cho et al [7] used EEMD to obtain the intrinsic modal functions (IMFs) of high frequency, medium frequency and low frequency, and then analyzed the relationship between mobility level and COVID-19 from the short-term, medium-term and long-term. Further, in order to study the internal influencing factors of COVID-19, this paper introduces ICA based on EEMD.…”
Section: Introductionmentioning
confidence: 99%
“…In contrast, approximately 61 million infections are delayed as a result of the intervention, equating to the avoidance of 495 million confirmed cases ( Hsiang et al, 2020 ). In general, regions with higher GDP and higher levels of political democracy tend to be more insistent on maintaining social distance ( Cho et al, 2022 ). And the longer the policy lasts and the more rigorously it is enforced, the more effective it becomes ( Sun et al, 2022 ).…”
Section: Introductionmentioning
confidence: 99%
“…The pandemic caused by SARS-CoV-2 started in December 2019 in China and spread to 195 countries affecting more than 670 million people and causing more than 6.8 million deaths [ 1 ]. The incidence and mortality among different countries varied due to a complex interaction between factors [ 2 ], some related to the particularity of each country such as geography, population density, altitude levels, humidity and temperature [ 3 ], others related to the population [ 4 ] such as migration [ 5 , 6 ], socioeconomic status [ 7 ], health status and presence of comorbidities; as well as the public policies use [ 6 , 8 ]. In addition to conditions related to the precision of the data such as the amount and type of diagnostic tests used, the report of cases to the coordinating institution and in relation with mortality, the capacity of health attention for each place.…”
Section: Introductionmentioning
confidence: 99%