Zero problems with compositional data of physical behaviors: a comparison of three zero replacement methods
Abstract 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...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2020-10-01
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Series: | International Journal of Behavioral Nutrition and Physical Activity |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s12966-020-01029-z |