Table 1 Goodness of fit of the data and predictability of the models.

From: Pomegranate fruit juice adulteration with apple juice: detection by UV–visible spectroscopy combined with multivariate statistical analysis

Groups*

PLS-DA

OPLS-DA

R2 (cum)

Q2 (cum)

R2 (cum)

Q2 (cum)

P vs A10

0.277

0.193

0.300

0.222

P vs A20

0.513

0.446

0.846

0.748

P vs A30

0.910

0.769

0.888

0.832

P vs A40

0.962

0.914

0.948

0.922

P vs A

0.991

0.987

0.991

0.989

  1. *Pomegranate juices (P), apple juices (A), 10% (A10), 20% (A20), 30% (A30), 40% (A40) v/v apple/pomegranate mixtures.
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