دورية أكاديمية
أعرض في EDS

Variable selection in microbiome compositional data analysis.

التفاصيل البيبلوغرافية
العنوان: Variable selection in microbiome compositional data analysis.
المؤلفون: Susin A; Mathematical Department, UPC-Barcelona Tech, 08028 Barcelona, Spain., Wang Y; Melbourne Integrative Genomics, School of Mathematics and Statistics, The University of Melbourne, Parkville, VIC 3010, Australia., Lê Cao KA; Melbourne Integrative Genomics, School of Mathematics and Statistics, The University of Melbourne, Parkville, VIC 3010, Australia., Calle ML; Biosciences Department, Faculty of Sciences and Technology, University of Vic-Central University of Catalonia, Carrer de la Laura, 13, 08500 Vic, Spain.
المصدر: NAR genomics and bioinformatics [NAR Genom Bioinform] 2020 May 13; Vol. 2 (2), pp. lqaa029. Date of Electronic Publication: 2020 May 13 (Print Publication: 2020).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Oxford University Press Country of Publication: England NLM ID: 101756213 Publication Model: eCollection Cited Medium: Internet ISSN: 2631-9268 (Electronic) Linking ISSN: 26319268 NLM ISO Abbreviation: NAR Genom Bioinform Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: [Oxford] : Oxford University Press, [2019]-
مستخلص: Though variable selection is one of the most relevant tasks in microbiome analysis, e.g. for the identification of microbial signatures, many studies still rely on methods that ignore the compositional nature of microbiome data. The applicability of compositional data analysis methods has been hampered by the availability of software and the difficulty in interpreting their results. This work is focused on three methods for variable selection that acknowledge the compositional structure of microbiome data: selbal , a forward selection approach for the identification of compositional balances, and clr-lasso and coda-lasso , two penalized regression models for compositional data analysis. This study highlights the link between these methods and brings out some limitations of the centered log-ratio transformation for variable selection. In particular, the fact that it is not subcompositionally consistent makes the microbial signatures obtained from clr-lasso not readily transferable. Coda-lasso is computationally efficient and suitable when the focus is the identification of the most associated microbial taxa. Selbal stands out when the goal is to obtain a parsimonious model with optimal prediction performance, but it is computationally greedy. We provide a reproducible vignette for the application of these methods that will enable researchers to fully leverage their potential in microbiome studies.
(© The Author(s) 2019. Published by Oxford University Press on behalf of NAR Genomics and Bioinformatics.)
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تواريخ الأحداث: Date Created: 20210212 Latest Revision: 20240330
رمز التحديث: 20240330
مُعرف محوري في PubMed: PMC7671404
DOI: 10.1093/nargab/lqaa029
PMID: 33575585
قاعدة البيانات: MEDLINE
الوصف
تدمد:2631-9268
DOI:10.1093/nargab/lqaa029