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. 2019 Mar 18;19(6):1356. doi: 10.3390/s19061356

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© 2019 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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Performance comparison of different models in accuracy using 51 original features when setting $T_{x}$ to 60 samples and $Δ t$ to 10 samples. (a) Performance comparison in the training stage. (b) Performance comparison in the validation stage.