Metrohm Vision Manual User Manual
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4.
In the Edit Math Properties dialog box configure the following parameters:
•
In the Wavelength Region box, declare up to 8 wavelength regions.
•
If the Mahalanobis distance or residual variance method is used, in the Components
box define how many PCs Vision should use. Specify either the number of PCs or the
percent of cumulative variance to calculate this number.
•
If wavelength distance is used, you can declare a Minimum Variance value. The
calculated standard deviation spectrum will not have values lower than this
parameter.
•
If a math pretreatment was chosen, you can change defaults by clicking on the
proper tab.
5.
Click on OK when done.
Visual Display of Results
The right side of the results screen contains a series of graphs.