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Zero problems with compositional data of physical behaviors: a comparison of three zero replacement methods

BACKGROUND: Researchers applying compositional data analysis to time-use data (e.g., time spent in physical behaviors) often face the problem of zeros, that is, recordings of zero time spent in any of the studied behaviors. Zeros hinder the application of compositional data analysis because the anal...

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Detalles Bibliográficos
Autores principales: Rasmussen, Charlotte Lund, Palarea-Albaladejo, Javier, Johansson, Melker Staffan, Crowley, Patrick, Stevens, Matthew Leigh, Gupta, Nidhi, Karstad, Kristina, Holtermann, Andreas
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7542467/
https://www.ncbi.nlm.nih.gov/pubmed/33023619
http://dx.doi.org/10.1186/s12966-020-01029-z