2019
DOI: 10.3390/e21080784
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Causality Detection Methods Applied to the Investigation of Malaria Epidemics

Abstract: Malaria, a disease with major health and socio-economic impacts, is driven by multiple factors, including a complex interaction with various climatic variables. In this paper, five methods developed for inferring causal relations between dynamic processes based on the information encapsulated in time series are applied on cases previously studied in literature by means of statistical methods. The causality detection techniques investigated in the paper are: a version of the kernel Granger causality, transfer e… Show more

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Cited by 12 publications
(4 citation statements)
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“…These results might be stem from the phenomenon that we have not considered or the limitation of causal decomposition itself. Some previous studies also exhibited less obvious and unclear direction of the causality or sometimes contradictory results in interpreting the causal decomposition results [30] , [31] . The energy strength of IMFs and their causal strength varies from different factors, and the causality results might differ in severe fluctuation among different frequency domains.…”
Section: Empirical Analysismentioning
confidence: 93%
See 1 more Smart Citation
“…These results might be stem from the phenomenon that we have not considered or the limitation of causal decomposition itself. Some previous studies also exhibited less obvious and unclear direction of the causality or sometimes contradictory results in interpreting the causal decomposition results [30] , [31] . The energy strength of IMFs and their causal strength varies from different factors, and the causality results might differ in severe fluctuation among different frequency domains.…”
Section: Empirical Analysismentioning
confidence: 93%
“…On the other hand, causal decomposition has the advantage of reflecting real-world data and phenomena based on instantaneous phase dependency between cause and effect, that is, oscillatory stochastic and deterministic mechanisms [7] . Several studies applied this technique to the change rate for the GDP time series between major on a different time scale [30] and the investigation of Malaria epidemics [31] .…”
Section: Literature Reviewmentioning
confidence: 99%
“…As shown in [ 15 , 40 ], WAM can be represented as an image and used for monitoring the complexity of the network, which is linked to the degree of coupling between time series. The image entropy can be used to evaluate the complexity of the WAM image.…”
Section: Image Representation Of Time Seriesmentioning
confidence: 99%
“…Over the past few years, Granger Causality (GC) (Granger, 1969) has been commonly used to detect the causality between variables, where X is considered to be the Granger cause of Y if the predictability of Y declines when removing X from all possible causative variables (Craciunescu et al, 2019). The algorithm implies at least two preconditions that limit the use of GC: (1) Causes must occur before effects; and (2) causes can be separated from effects.…”
Section: Introductionmentioning
confidence: 99%