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research article

Estimating an extreme Bayesian network via scalings

Klueppelberg, Claudia
•
Krali, Mario  
January 1, 2021
Journal Of Multivariate Analysis

A recursive max-linear vector models causal dependence between its components by expressing each node variable as a max-linear function of its parental nodes in a directed acyclic graph and some exogenous innovation. Motivated by extreme value theory, innovations are assumed to have regularly varying distribution tails. We propose a scaling technique in order to determine a causal order of the node variables. All dependence parameters are then estimated from the estimated scalings. Furthermore, we prove asymptotic normality of the estimated scalings and dependence parameters based on asymptotic normality of the empirical spectral measure. Finally, we apply our structure learning and estimation algorithm to financial data and food dietary interview data. (C) 2020 Elsevier Inc. All rights reserved.

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Type
research article
DOI
10.1016/j.jmva.2020.104672
Web of Science ID

WOS:000592400900009

Author(s)
Klueppelberg, Claudia
Krali, Mario  
Date Issued

2021-01-01

Publisher

ELSEVIER INC

Published in
Journal Of Multivariate Analysis
Volume

181

Article Number

104672

Subjects

Statistics & Probability

•

Mathematics

•

bayesian network

•

causal order

•

directed acyclic graph

•

extreme value statistics

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graphical model

•

recursive max-linear model

•

regular variation

•

structural equation model

•

structure learning

•

tail dependence

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
STAT  
Available on Infoscience
March 26, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/176324
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