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. 2014 Feb 14;85(5):408–421. doi: 10.1002/cyto.a.22446

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© 2014 The Authors. Published by Wiley Periodicals Inc. on behalf of the International Society for Advancement of Cytometry.

This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Comparison of weighted sampling based EM and the traditional EM algorithm on a synthetic mixture of 6 Gaussians: (a) Original dataset, (b) GMM estimate from the weighted sampling based EM used in SWIFT, and (c) GMM estimate from traditional EM algorithm. Note that smallest subpopulation is missed by the traditional EM algorithm but is represented with good accuracy by the weighted sampling based EM used in SWIFT. [Color figure can be viewed in the online issue, which is available at http://wileyonlinelibrary.com.]