The Reciprocal Influence Criterion: An Upgrade of the Information Quality Ratio

Understanding and quantifying the mutual influence between systems remain crucial but challenging tasks in any scientific enterprise. The Pearson correlation coefficient, the mutual information, and the information quality ratio are the most widely used indicators, only the last two being valid for...

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Main Authors: Riccardo Rossi, Michela Gelfusa, Filippo De Masi, Matteo Ossidi, Andrea Murari
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Complexity
Online Access:http://dx.doi.org/10.1155/2021/9426547
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author Riccardo Rossi
Michela Gelfusa
Filippo De Masi
Matteo Ossidi
Andrea Murari
author_facet Riccardo Rossi
Michela Gelfusa
Filippo De Masi
Matteo Ossidi
Andrea Murari
author_sort Riccardo Rossi
collection DOAJ
description Understanding and quantifying the mutual influence between systems remain crucial but challenging tasks in any scientific enterprise. The Pearson correlation coefficient, the mutual information, and the information quality ratio are the most widely used indicators, only the last two being valid for nonlinear interactions. Given their limitations, a new criterion is proposed, the reciprocal influence criterion, which is very simple conceptually and does not make any assumption about the statistics of the stochastic variables involved. In addition to being normalised as the information quality ratio, it provides a much better resilience to noise and much higher stability to the issues related to the determination of the involved probability distribution functions. A conditional version, to counteract the effects of confounding variables, has also been developed, showing the same advantages compared to the more traditional indicators. A series of systematic tests with numerical examples is reported, to compare the properties of the new indicator with the more traditional ones, proving its clear superiority in practically all respects.
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issn 1076-2787
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spelling doaj-art-ef8da57027bd43ac94f6922dc6bab2f02025-02-03T01:24:49ZengWileyComplexity1076-27871099-05262021-01-01202110.1155/2021/94265479426547The Reciprocal Influence Criterion: An Upgrade of the Information Quality RatioRiccardo Rossi0Michela Gelfusa1Filippo De Masi2Matteo Ossidi3Andrea Murari4Department of Industrial Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyDepartment of Industrial Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyDepartment of Industrial Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyDepartment of Industrial Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyConsorzio RFX (CNR, ENEA, INFN, Universita’ di Padova, Acciaierie Venete SpA), Corso Stati Uniti 4, 35127 Padova, ItalyUnderstanding and quantifying the mutual influence between systems remain crucial but challenging tasks in any scientific enterprise. The Pearson correlation coefficient, the mutual information, and the information quality ratio are the most widely used indicators, only the last two being valid for nonlinear interactions. Given their limitations, a new criterion is proposed, the reciprocal influence criterion, which is very simple conceptually and does not make any assumption about the statistics of the stochastic variables involved. In addition to being normalised as the information quality ratio, it provides a much better resilience to noise and much higher stability to the issues related to the determination of the involved probability distribution functions. A conditional version, to counteract the effects of confounding variables, has also been developed, showing the same advantages compared to the more traditional indicators. A series of systematic tests with numerical examples is reported, to compare the properties of the new indicator with the more traditional ones, proving its clear superiority in practically all respects.http://dx.doi.org/10.1155/2021/9426547
spellingShingle Riccardo Rossi
Michela Gelfusa
Filippo De Masi
Matteo Ossidi
Andrea Murari
The Reciprocal Influence Criterion: An Upgrade of the Information Quality Ratio
Complexity
title The Reciprocal Influence Criterion: An Upgrade of the Information Quality Ratio
title_full The Reciprocal Influence Criterion: An Upgrade of the Information Quality Ratio
title_fullStr The Reciprocal Influence Criterion: An Upgrade of the Information Quality Ratio
title_full_unstemmed The Reciprocal Influence Criterion: An Upgrade of the Information Quality Ratio
title_short The Reciprocal Influence Criterion: An Upgrade of the Information Quality Ratio
title_sort reciprocal influence criterion an upgrade of the information quality ratio
url http://dx.doi.org/10.1155/2021/9426547
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