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. 2020 Dec 25;10(1):42. doi: 10.3390/foods10010042

Figure 3.

Figure 3

Soft Independent Model of Class Analogies (SIMCA) 3D projection plots of spectral data for potato chip oil samples collected by (a) a handheld Raman spectrometer (1064 nm) and (b) a miniature near Infrared (NIR) sensor. (c) Discriminating plots of Raman and (d) NIR SIMCA models showing bands and regions responsible for class separation.