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. 2021 Jun 9;2(1):255–269. doi: 10.1089/neur.2020.0065

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© Kristine C. Dell et al., 2021; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (CC-BY) (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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FIG. 2. — Elbow plots for K-modes clustering analysis, plotting within cluster variability values across numbers of clusters set to K = 3, 4, 5, or 6. Visual inspection of these four plots confirmed K = 4 as the optimal number of clusters.