Metrohm Vision – Tutorial Uživatelský manuál stáhnout pdf (Strana 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

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Metrohm Vision – Tutorial Uživatelský manuál Strana 33