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Letter to the editor : on the term 'interaction' and related phrases in the literature on random forests


Boulesteix, Anne-Laure; Janitza, Silke; Hapfelmeier, Alexander; Van Steen, Kristel; Strobl, Carolin (2015). Letter to the editor : on the term 'interaction' and related phrases in the literature on random forests. Briefings in Bioinformatics, 16(2):338-345.

Abstract

In an interesting and quite exhaustive review on Random Forests (RF) methodology in bioinformatics Touw et al. address-among other topics-the problem of the detection of interactions between variables based on RF methodology. We feel that some important statistical concepts, such as 'interaction', 'conditional dependence' or 'correlation', are sometimes employed inconsistently in the bioinformatics literature in general and in the literature on RF in particular. In this letter to the Editor, we aim to clarify some of the central statistical concepts and point out some confusing interpretations concerning RF given by Touw et al. and other authors.

Abstract

In an interesting and quite exhaustive review on Random Forests (RF) methodology in bioinformatics Touw et al. address-among other topics-the problem of the detection of interactions between variables based on RF methodology. We feel that some important statistical concepts, such as 'interaction', 'conditional dependence' or 'correlation', are sometimes employed inconsistently in the bioinformatics literature in general and in the literature on RF in particular. In this letter to the Editor, we aim to clarify some of the central statistical concepts and point out some confusing interpretations concerning RF given by Touw et al. and other authors.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Language:English
Date:2015
Deposited On:14 Jan 2015 15:26
Last Modified:08 Dec 2017 10:28
Publisher:Oxford University Press
ISSN:1467-5463
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1093/bib/bbu012
PubMed ID:24723569

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