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. 2014 Oct 21;15(Suppl 11):S11. doi: 10.1186/1471-2105-15-S11-S11

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Copyright © 2014 Zhao et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 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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Survival analysis of the breast cancer dataset k was set as 2. The two subgroups were represented by two colors, respectively. The p-value of the logrank test for difference among the two subgroups was 4.6e-5.