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. 2019 Jun 17;91(14):8994–9000. doi: 10.1021/acs.analchem.9b01222

Figure 4.

Figure 4

(a–c) Prediction of the paracetamol depth in the PE matrix of different thickness (t = 12, 18, and 24 mm) and for different amounts of inclusion (m = 500, 250, and 125 mg). (d) Root mean square error of prediction (RMSEP) expressed in terms of percentages. Model 1 is based on all SORS (SO: 0 to 12 mm) and TRS measurements. Model 2 is based on the measurement of all spatial offsets for SORS alone (SO: 0 to 12 mm). Model 3 is based on TRS measurements alone.