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. 2018 Jul 30;8:11422. doi: 10.1038/s41598-018-29851-3

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Time-frame of admixture events estimated in Cuba using TRACTS analysis. Figure showing the best-fitting model based on length distributions of ancestry tracts within each Cuban region, allowing for one European, two African, and two Native American migration events. The data points represent the observed distribution of ancestry tracts estimated using RFMix (EM = 2), while solid-coloured lines represent the distribution from the predicted model, and shaded areas indicating confidence intervals (68.3% CI) of the predicted model. The admixture timing of the best-fitting model is displayed to the right of each graph. Sizes of the dots represent inferred average proportions for each ancestry (see Supplementary Table S10). Best-fitting models were selected based on the strength of the log-likelihood of each Cuban region (−566.7 in Western, −553.2 in Central, and −505.8 in Eastern region).