|
Pre-treatment
|
RMSE
|
R
2
|
|---|
|
Raw data
|
3.219 4
|
0.851 1
|
|
SNV
|
3.167 5
|
0.855 9
|
|
MSC
|
3.167 9
|
0.855 8
|
|
AN
|
3.141 9
|
0.858 2
|
|
FD
|
2.938 4
|
0.876 0
|
|
SD
|
4.156 0
|
0.751 9
|
|
TB
|
3.178 2
|
0.854 9
|
|
SG
|
3.223 7
|
0.850 7
|
|
ST
|
3.130 3
|
0.859 2
|
|
SG + FD
|
3.010 3
|
0.869 8
|
|
SNV + FD
|
2.901 8
|
0.879 0
|
|
SNV + SG
|
3.170 9
|
0.855 5
|
- SNV standard normal variate, MSC multiplicative scatter correction, AN area normalize, FD first derivatives, SD Second derivatives, TB transform baseline, SG Savitzky-Golay smoothing, ST spectroscopic transformation, RMSE root mean square error, R2 prediction coefficient of determination