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

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