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. 2014 Dec 18;15(1):1140. doi: 10.1186/1471-2164-15-1140

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© Kou et al.; licensee BioMed Central. 2014

This article is published under license to 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 credited. 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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Comparison of L-score and the two features for m / z distances and peak intensity distributions on envelope matches without missing peaks. The AUCs of L-score and the two single features for the four groups (the number of peak pairs =2,3,4,≥5) are compared. (a) The ST data set. (b) The EC HCD data set.