Results 11 to 20 of about 10,032 (253)

A Granger causality analysis of groundwater patterns over a half-century. [PDF]

open access: yesSci Rep, 2019
AbstractGroundwater depletion in many areas of the world has been broadly attributed to irrigation. However, more formal, data-driven, causal mechanisms of long-term groundwater patterns have not been assessed. Here, we conducted the first Granger causality analysis to identify the “causes” of groundwater patterns using the rice-producing parishes of ...
Singh NK, Borrok DM.
europepmc   +4 more sources

Schizophrenia MEG Network Analysis Based on Kernel Granger Causality

open access: yesEntropy, 2023
Network analysis is an important approach to explore complex brain structures under different pathological and physiological conditions. In this paper, we employ the multivariate inhomogeneous polynomial kernel Granger causality (MKGC) to construct ...
Qiong Wang   +5 more
doaj   +3 more sources

The granger causality analysis of energy consumption and economic growth [PDF]

open access: yesMarketing i Menedžment Innovacij, 2014
After the first oil crisis the world’s countries had to face recession caused by the high oil prices, and the role of energy consumption became a core element of economics.
T.S. Szép
doaj   +2 more sources

Depressed MEG causality analysis based on polynomial kernel Granger causality

open access: yesAIP Advances, 2023
In this study, we employ the Granger causality of a polynomial kernel to identify the coupling causality of depressed magnetoencephalography (MEG). We collect MEG under positive, neutral, and negative emotional stimuli and focus on the β-band activities.
Jing Qian   +7 more
doaj   +1 more source

A study of problems encountered in Granger causality analysis from a neuroscience perspective [PDF]

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2017
Patrick A Stokes   +2 more
exaly   +2 more sources

Kernel-Granger causality and the analysis of dynamical networks [PDF]

open access: yesPhysical Review E, 2008
We propose a method of analysis of dynamical networks based on a recent measure of Granger causality between time series, based on kernel methods. The generalization of kernel Granger causality to the multivariate case, here presented, shares the following features with the bivariate measures: (i) the nonlinearity of the regression model can be ...
MARINAZZO D   +2 more
openaire   +5 more sources

The nexus between remittance, exchange rate and economic growth of E7 economies: Frequency domain analysis

open access: yesHeliyon, 2023
This study investigates the nexus between economic growth (GDP), trade openness, remittances, exchange rate, and agricultural output in E7 (Russia, Indonesia, Mexico, China, India, Brazil, and Turkey) economies, covering the data from 1990 to 2020.
Khalid Usman
doaj   +1 more source

Multivariate Granger causality analysis of fMRI data [PDF]

open access: yesHuman Brain Mapping, 2008
AbstractThis article describes the combination of multivariate Granger causality analysis, temporal down‐sampling of fMRI time series, and graph theoretic concepts for investigating causal brain networks and their dynamics. As a demonstration, this approach was applied to analyze epoch‐to‐epoch changes in a hand‐gripping, muscle fatigue experiment ...
Gopikrishna, Deshpande   +4 more
openaire   +2 more sources

Designing Bivariate Auto-Regressive Timeseries with Controlled Granger Causality

open access: yesEntropy, 2021
In this manuscript, we analyze a bivariate vector auto-regressive (VAR) model in order to draw the design principle of a timeseries with a controlled statistical inter-relationship.
Shohei Hidaka, Takuma Torii
doaj   +1 more source

Fiber-Centered Granger Causality Analysis [PDF]

open access: yes, 2011
Granger causality analysis (GCA) has been well-established in the brain imaging field. However, the structural underpinnings and functional dynamics of Granger causality remain unclear. In this paper, we present fiber-centered GCA studies on resting state fMRI and natural stimulus fMRI datasets in order to elucidate the structural substrates and ...
Xiang Li 0001   +4 more
openaire   +2 more sources

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