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. Author manuscript; available in PMC: 2013 Jan 22.

Published in final edited form as: Appl Spectrosc. 2010 Jul;64(7):750–759. doi: 10.1366/000370210791666183

Fig. 3 — Score plots for the first two principal components (PC2 vs. PC1) for each PLS2 regression model along with a plot of the prediction values obtained when the model was tested on the verification spectral sets. From the prediction value plots, it is clear that a prediction value can be chosen for each model to separate the two samples being compared.

Fig. 3 — Score plots for the first two principal components (PC2 vs. PC1) for each PLS2 regression model along with a plot of the prediction values obtained when the model was tested on the verification spectral sets. From the prediction value plots, it is clear that a prediction value can be chosen for each model to separate the two samples being compared.