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. 2019 Jun 28;20:131. doi: 10.1186/s13059-019-1735-y

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© The Author(s) 2019

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Average contributions of each branch to unweighted (left) vs. weighted (right) Unifrac distance. Color represents log10 of the contribution, so numbers closer to zero (more yellow) indicate larger contributions, and large negative numbers (more purple) indicate smaller contributions