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Table 2 Results of the exploratory PLS analysis for all sites (a), the G1 sites(b) and the G2 sites (c)

From: A novel exploratory chemometric approach to environmental monitorring by combining block clustering with Partial Least Square (PLS) analysis

Factor

R2X

R2X(Cumul.)

Eigenvalues

R2Y

R2Y(Cumul.)

(a)

1

0.169

0.169

2.201

0.473

0.473

2

0.355

0.524

4.671

0.108

0.581

(b)

1

0.289

0.289

4.436

0.507

0.507

2

0.254

0.542

3.773

0.173

0.680

3

0.130

0.672

1.897

0.182

0.862

4

0.131

0.803

1.952

0.040

0.902

5

0.065

0.868

1.015

0.058

0.960

(c)

1

0.269

0.269

4.105

0.693

0.693

2

0.256

0.525

3.976

0.100

0.793

3

0.110

0.635

1.694

0.095

0.889

4

0.182

0.817

2.853

0.039

0.928

5

0.054

0.871

0.638

0.022

0.951

  1. Abbreviations: R2X–percentage of X variance explained by each PLS factor; R2X(Cumul.)–cumulative modeled variation in X; R2Y - percentage of Y variance explained by each PLS factor; R2Y(Cumul.) - cumulative modeled variation in Y.
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BMC Chemistry

ISSN: 2661-801X

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