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. 2016 Oct 14;4(4):e29. doi: 10.2196/medinform.6530

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©Alvin Rajkomar, Joanne Wing Lan Yim, Kevin Grumbach, Ami Parekh. Originally published in JMIR Medical Informatics (http://medinform.jmir.org), 14.10.2016.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Medical Informatics, is properly cited. The complete bibliographic information, a link to the original publication on http://medinform.jmir.org/, as well as this copyright and license information must be included.

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Equations that define how scaling factor w was defined. We constrain the total weighted population size (the right hand side) to be equal to the total unweighted population size in (a). We solve for w in (b) PCP: primary care physician.