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Important information on the structure of complex systems, consisting of more than one component, can be obtained by measuring to which extent the individual components exchange information among each other. Such knowledge is needed to…

无序系统与神经网络 · 物理学 2009-11-13 Daniele Marinazzo , Mario Pellicoro , Sebastiano Stramaglia

We develop an LM test for Granger causality in high-dimensional VAR models based on penalized least squares estimations. To obtain a test retaining the appropriate size after the variable selection done by the lasso, we propose a…

计量经济学 · 经济学 2020-12-07 Alain Hecq , Luca Margaritella , Stephan Smeekes

This paper addresses differential inference in time-varying parametric probabilistic models, like graphical models with changing structures. Instead of estimating a high-dimensional model at each time point and estimating changes later, we…

机器学习 · 统计学 2025-04-08 Daniel J. Williams , Leyang Wang , Qizhen Ying , Song Liu , Mladen Kolar

Identifying causal relations among simultaneously acquired signals is an important problem in multivariate time series analysis. For linear stochastic systems Granger proposed a simple procedure called the Granger causality to detect such…

混沌动力学 · 物理学 2009-11-10 Yonghong Chen , Govindan Rangarajan , Jianfeng Feng , Mingzhou Ding

It is a challenging research endeavor to infer causal relationships in multivariate observational time-series. Such data may be represented by graphs, where nodes represent time-series, and edges directed causal influence scores between…

信息论 · 计算机科学 2022-05-09 Axel Wismüller , Ali Vosoughi , Adora DSouza , Anas Abidin

Granger causality has become an indispensable tool for analyzing causal relationships between time series. In this paper, we provide a detailed overview of its mathematical foundations, trace its historical development, and explore how…

复变函数 · 数学 2024-12-30 Lasha Ephremidze

This paper presents a method to identify causal interactions between two time series. The largest eigenvalue follows a Tracy-Widom distribution, derived from a Coulomb gas model. This defines causal interactions as the pushing and pulling…

投资组合管理 · 定量金融 2025-11-19 Alejandro Rodriguez Dominguez , Om Hari Yadav

Discovering cause-effect relationships between variables from observational data is a fundamental challenge in many scientific disciplines. However, in many situations it is desirable to directly estimate the change in causal relationships…

统计方法学 · 统计学 2021-06-15 Asish Ghoshal , Kevin Bello , Jean Honorio

Granger causality is a commonly used method for uncovering information flow and dependencies in a time series. Here we introduce JGC (Jacobian Granger Causality), a neural network-based approach to Granger causality using the Jacobian as a…

机器学习 · 计算机科学 2022-05-20 Suryadi , Yew-Soon Ong , Lock Yue Chew

The objective of transfer learning is to enhance estimation and inference in a target data by leveraging knowledge gained from additional sources. Recent studies have explored transfer learning for independent observations in complex,…

机器学习 · 统计学 2025-04-23 Mingliang Ma Abolfazl Safikhani

High-dimensional time series data appear in many scientific areas in the current data-rich environment. Analysis of such data poses new challenges to data analysts because of not only the complicated dynamic dependence between the series,…

统计方法学 · 统计学 2022-06-22 Di Wang , Ruey S. Tsay

Inferring nonlinear and asymmetric causal relationships between multivariate longitudinal data is a challenging task with wide-ranging application areas including clinical medicine, mathematical biology, economics and environmental…

统计方法学 · 统计学 2021-08-25 Tom Edinburgh , Stephen J. Eglen , Ari Ercole

Instrumental variable (IV) regression relies on instruments to infer causal effects from observational data with unobserved confounding. We consider IV regression in time series models, such as vector auto-regressive (VAR) processes. Direct…

统计方法学 · 统计学 2024-07-23 Nikolaj Thams , Rikke Søndergaard , Sebastian Weichwald , Jonas Peters

In this paper, we focus on estimating the causal effect of an intervention over time on a dynamical system. To that end, we formally define causal interventions and their effects over time on discrete-time stochastic processes (DSPs). Then,…

人工智能 · 计算机科学 2025-05-28 Martina Cinquini , Isacco Beretta , Salvatore Ruggieri , Isabel Valera

We introduce graphical time series models for the analysis of dynamic relationships among variables in multivariate time series. The modelling approach is based on the notion of strong Granger causality and can be applied to time series…

统计理论 · 数学 2011-07-18 Michael Eichler

Counterfactual learning has become promising for understanding and modeling causality in complex and dynamic systems. This paper presents a novel method for counterfactual learning in the context of multivariate time series analysis and…

机器学习 · 计算机科学 2026-03-03 Gianlucca Zuin , Adriano Veloso

Structural equation models and Bayesian networks have been widely used to analyze causal relations between continuous variables. In such frameworks, linear acyclic models are typically used to model the datagenerating process of variables.…

机器学习 · 计算机科学 2014-08-12 Shohei Shimizu , Aapo Hyvarinen , Yoshinobu Kawahara

Multi-electrode neurophysiological recordings produce massive quantities of data. Multivariate time series analysis provides the basic framework for analyzing the patterns of neural interactions in these data. It has long been recognized…

定量方法 · 定量生物学 2007-05-23 Mingzhou Ding , Yonghong Chen , Steven L. Bressler

Vector autoregressive (VAR) models are widely used for causal discovery and forecasting in multivariate time series analysis. In the high-dimensional setting, which is increasingly common in fields such as neuroscience and econometrics,…

We present a new framework for learning Granger causality networks for multivariate categorical time series, based on the mixture transition distribution (MTD) model. Traditionally, MTD is plagued by a nonconvex objective,…

统计方法学 · 统计学 2017-06-12 Alex Tank , Emily B. Fox , Ali Shojaie