Figure 4 | Scientific Reports

Figure 4

From: Machine learning-assisted non-destructive plasticizer identification and quantification in historical PVC objects based on IR spectroscopy

Figure 4

Classification accuracies of different classification algorithms used in the benchmarking procedure for the M1 and M2 classification models. Left: ATR FTIR models, right: NIR models. Blue is used to depict spectra, not processed with numerical differentiation, while red presents numerically differentiated spectra. The width of the interval presents the 95% confidence interval with the average at the centre.

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