Metrohm Vision – Tutorial - Manual (Page 33)

 5 Quantitative Model Development
26
 NIRS Vision Tutorial – Operation
8. Click on [OK].
9. In the Regression Treatment Properties dialog box, in the
Wavelength Regions tab, enter the following settings:
 Region 1
Minimum: 750
Maximum: 1050
 Region 2
Minimum:1150
Maximum: 1350
 Region 3
Minimum: 1500
Maximum: 1830
 Region 4
Minimum: 1990
Maximum: 2450
10. In the Edit Validation tab
 Method Cross Validation
 Remove only one sample at a time enabled
 Click on [OK].
Vision performs calculations according to parameters defined in preceding
steps.
Evaluation of Method Performance
When the regression is complete, the screen displays 4 boxes in the Data View.
With statistical information relating to the Cross-validation results:
Figure 7 Result Partial Least Square Regression