Fig. 8From: Multivariate unmixing approaches on Raman images of plant cell walls: new insights or overinterpretation of results?Comparison of multivariate methods on raw Raman data of Arabidopsis without previous baseline correction. Abundance maps given by VCA, NMF, MCR-ALS without PCA and MCR-ALS with PCA. X xylem, C cambium and P phloemBack to article page