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Table 1 Summary of the data analyses performed on both data sets

From: Multivariate unmixing approaches on Raman images of plant cell walls: new insights or overinterpretation of results?

Sample Method BG subtraction No. of EMs LOF (%) Variance explained (%)
Spruce VCA No 4 13.1280 98.2766
NMF No 4 3.0743 99.9055
MCR-ALS
Without PCA No 4 0.92782 99.9914
With PCA No 4 0.92107 99.9915
VCA Yes 4 35.5641 87.3946
NMF Yes 4 6.5643 99.5691
MCR-ALS
Without PCA Yes 4 6.247 99.6098
With PCA Yes 4 6.2243 99.6126
VCA Yes 5 38.7925 84.9514
NMF Yes 5 6.5691 99.5685
MCR-ALS
Without PCA Yes 5 5.2069 99.7289
With PCA Yes 5 5.2136 99.7282
Arabidopsis VCA No 6 33.9914 88.44
NMF No 6 13.2726 98.2384
MCR-ALS
Without PCA No 6 0.6314 99.9960
With PCA 6 0.6239 99.9961