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. 2019 Nov 8;20:556. doi: 10.1186/s12859-019-3164-z

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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. 5 — Discovery power and accuracy of SNP calling. (a) The number of total variants (only SNPs) discovered for each downsampled dataset. (b) Total variant discovery power. We refer to the variants associated with the greatest depth as true variants for each sample and calculate the discovery power for each subdepth, which is the proportion of variants discovered at each depth among the total variants at the greatest depth for each sample. (c) Novel rate. The proportion of variants present in the dbSNP database among the total variants. (d) Ti/Tv ratio. The proportion of the variants observed as transitions (between purines or between pyrimidines) to transversions (between purines and pyrimidines)