BUCHI NIRCal - Manual (Page 206)

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