Spectral Treatment

Factors

R²

SEP

RMSEP

Bias

RPD

No treatment

2

0.76

1.535

1.537

+0.190

1.83

Base line correction

2

0.82

1.530

1.523

+0.098

1.88

Base line and multiple scatter correction

4

0.93

0.861

0.874

−0.177

3.47

Base line and multiple scatter corrected with 1^st derivative

2

0.95

0.670

0.782

+0.411

4.46