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. 2012 Nov 8;2:812. doi: 10.1038/srep00812

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Copyright © 2012, Macmillan Publishers Limited. All rights reserved

This work is licensed under a Creative Commons Attribution-NonCommercial-No Derivative Works 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/

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The richest 390 persons in the US are billionaires whose wealth we plot against their rank as the uppermost set of points (the first 195 richest being grey circles, the second 195 poorest being red circles). The second set is the sub-sample that we translate to the original ranks and plot as the set of red circle points below the diagonal straight line which is the pure Zipf plot associated with . The inset is a pure Zipf plot dimensioned to the entire set of 390 billionaires and the poorest sub-sample of 195. (Source: Forbes List http://www.forbes.com/).

Inline graphic — The richest 390 persons in the US are billionaires whose wealth we plot against their rank as the uppermost set of points (the first 195 richest being grey circles, the second 195 poorest being red circles). The second set is the sub-sample that we translate to the original ranks and plot as the set of red circle points below the diagonal straight line which is the pure Zipf plot associated with . The inset is a pure Zipf plot dimensioned to the entire set of 390 billionaires and the poorest sub-sample of 195. (Source: Forbes List http://www.forbes.com/).