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. 2020 Dec 8;12(12):3682. doi: 10.3390/cancers12123682

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© 2020 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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Single model receiver operator characteristic (ROC) graphs for the (a) whole serum dataset displaying the PLS-DA (blue), SVM (red) and RF (green) classifiers; and (b) the best performing model for each of the tested filtrate fractions: the full spectrum (4000–800 cm⁻¹, blue), the fingerprint region (1800–1000 cm⁻¹, red) and the extended fingerprint region (1800–800 cm⁻¹, green).

Single model receiver operator characteristic (ROC) graphs for the (a) whole serum dataset displaying the PLS-DA (blue), SVM (red) and RF (green) classifiers; and (b) the best performing model for each of the tested filtrate fractions: the full spectrum (4000–800 cm⁻¹, blue), the fingerprint region (1800–1000 cm⁻¹, red) and the extended fingerprint region (1800–800 cm⁻¹, green).