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. 2021 May 13;23(5):600. doi: 10.3390/e23050600

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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The 3-dim loci obtained for $d_{2}$ and $W = 30$ : (a) HC and $α = 0$ ( $E_{7}$ ); (b) HC and $α = 0.2$ ( $E_{8}$ ); (c) HC and $α = 0.5$ ( $E_{9}$ ); (d) MDS and $α = 0$ ( $E_{7}$ ); (e) MDS and $α = 0.2$ ( $E_{8}$ ); (f) MDS and $α = 0.5$ ( $E_{9}$ ); (g) t-SNE and $α = 0$ ( $E_{7}$ ); (h) t-SNE and $α = 0.2$ ( $E_{8}$ ); (i) t-SNE and $α = 0.5$ ( $E_{9}$ ); (j) UMAP and $α = 0$ ( $E_{7}$ ); (k) UMAP and $α = 0.2$ ( $E_{8}$ ); (l) UMAP and $α = 0.5$ ( $E_{9}$ ).