Model

Modeling R2C

RMSEC

REC

Prediction

R2P

RMSEP

REP

PLS

0.6791

0.4308

11.08%

0.6526

0.4354

11.09%

PCR

0.8121

0.3485

9.42%

0.8004

0.3188

26.4%

Step by step

0.8402

0.3149

7.19%

0.6899

0.4627

12.81%