Fig. 4: PCA scores plot of Raman spectra measured from each palm oil sample originating from various sources of the Ivory Coast.
From: Raman on the palm: handheld Raman spectroscopy for enhanced traceability of palm oil
Each sample is represented by three spectra, with each spectrum plotted as an individual score. Corresponding PCA loadings plots are provided in Supplementary Fig. 3a.
