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. 2018 Feb 22;20(2):138. doi: 10.3390/e20020138

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© 2018 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 (http://creativecommons.org/licenses/by/4.0/).

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MDE values for (a) $b_{i} = \cos (2 π 10 i) + \cos (2 π 20 i) + \cos (2 π 50 i)$ and (b) $g_{i} = b_{i} + η$ . The largest changes in entropy values (the red double arrows) occur at temporal scale 4 and 10 (respectively correspond to $50 = \frac{200}{4}$ and $20 = \frac{200}{10}$ ).