Imprecise Bayesian Networks as Causal Models

This article considers the extent to which Bayesian networks with imprecise probabilities, which are used in statistics and computer science for predictive purposes, can be used to represent causal structure. It is argued that the adequacy conditions for causal representation in the precise context&...

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Main Author: David Kinney
Format: Article
Language:English
Published: MDPI AG 2018-08-01
Series:Information
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Online Access:http://www.mdpi.com/2078-2489/9/9/211
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author David Kinney
author_facet David Kinney
author_sort David Kinney
collection DOAJ
description This article considers the extent to which Bayesian networks with imprecise probabilities, which are used in statistics and computer science for predictive purposes, can be used to represent causal structure. It is argued that the adequacy conditions for causal representation in the precise context—the Causal Markov Condition and Minimality—do not readily translate into the imprecise context. Crucial to this argument is the fact that the independence relation between random variables can be understood in several different ways when the joint probability distribution over those variables is imprecise, none of which provides a compelling basis for the causal interpretation of imprecise Bayes nets. I conclude that there are serious limits to the use of imprecise Bayesian networks to represent causal structure.
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spelling doaj.art-eaedbdd4738648ef9199b78b696f4bc72022-12-21T20:31:32ZengMDPI AGInformation2078-24892018-08-019921110.3390/info9090211info9090211Imprecise Bayesian Networks as Causal ModelsDavid Kinney0Department of Philosophy, Logic and Scientific Method, London School of Economics, London WC2A 2AE, UKThis article considers the extent to which Bayesian networks with imprecise probabilities, which are used in statistics and computer science for predictive purposes, can be used to represent causal structure. It is argued that the adequacy conditions for causal representation in the precise context—the Causal Markov Condition and Minimality—do not readily translate into the imprecise context. Crucial to this argument is the fact that the independence relation between random variables can be understood in several different ways when the joint probability distribution over those variables is imprecise, none of which provides a compelling basis for the causal interpretation of imprecise Bayes nets. I conclude that there are serious limits to the use of imprecise Bayesian networks to represent causal structure.http://www.mdpi.com/2078-2489/9/9/211imprecise probabilitiesBayes netscausal modellingindependence
spellingShingle David Kinney
Imprecise Bayesian Networks as Causal Models
Information
imprecise probabilities
Bayes nets
causal modelling
independence
title Imprecise Bayesian Networks as Causal Models
title_full Imprecise Bayesian Networks as Causal Models
title_fullStr Imprecise Bayesian Networks as Causal Models
title_full_unstemmed Imprecise Bayesian Networks as Causal Models
title_short Imprecise Bayesian Networks as Causal Models
title_sort imprecise bayesian networks as causal models
topic imprecise probabilities
Bayes nets
causal modelling
independence
url http://www.mdpi.com/2078-2489/9/9/211
work_keys_str_mv AT davidkinney imprecisebayesiannetworksascausalmodels