Instruction Manual

NIRCal 5.5 Software Manual
206 NIRCal 5.5 Manual, Version A
3.18.94 V-Set Spectra Residuum Max
Description
Shows the maximum residuum of the V-Set spectra using different number of
PCs in the selected wavelength range.
Use
To find the optimum number of primary PCs.
Method
PCR / PLS / Cluster (CLU) / SIMCA
Matrices ID
77
Tip
Small residuum indicates a good reconstruction, but avoid overfitting.
Details
The residuum with e.g. PCs 3 shows the residuum spectra using 1-3 PCs for
the reconstruction.
Related Topic
Spectra Residuum, Primary PCs
3.18.95 V-Set Spectra Residuum Min
Description
Shows the minimum residuum of the V-Set spectra using different number of
PCs in the selected wavelength range.
Use
To find the optimum number of primary PCs.
Method
PCR / PLS / Cluster (CLU) / SIMCA
Matrices ID
78
Tip
Small residuum indicates a good reconstruction, but avoid overfitting.
Details
The residuum with e.g. PCs 3 shows the residuum spectra using 1-3 PCs for
the reconstruction.
Related Topic
Spectra Residuum, Primary PCs
3.18.96 V-Set Std Orig Property
Description
Standard deviation of the original property values of the validation set spectra
(standard deviation of the whole validation range, X-axis)
Use
To compare with the V-Set Std Pred Property
Method
PCR / PLS
Matrices ID
23
Tip
Gives information about the size of the original validation range.
Details
It is available in the calibration protocol (V-Set Orig.sdev).
Related Topic
V-Set Std Pred Property