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. 2022 Jun 2;11(11):1643. doi: 10.3390/foods11111643

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© 2022 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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Variable importance in projection (VIP) scores of the three PLS-DA classification models: (a) SCiO results, (b) MicroNIR results, and (c) MPA results. The traditional VIP threshold = 1 is represented in red.