Veris Technologies VIS_NIR Spectrophotometer - Operating Instructions - Manual (Page 27)

Pub# OM17-NIR Shank
3-8
4) Filtering -The spectra are compressed using principal components compression, and
outliers are removed. Maps of each principal component (up to 10) are displayed, and
the results of the PC analysis and filtering are output to ASCII formatted files.
Figure 10
Score plots of
spectrum data that
indicate grouping of
spectra.
Number of outlying
spectra removed
during filtering.
Total number of
spectra.
Wavelengths used by
the spectrometers.
There are 384 total
wavelengths.
Graphs of each
principal component;
this is an ASCII text
file and may be
imported into other
mapping software.
The interpolated PC
data are in the field
folder, and are named
interp_PC scores.txt
Loadings of each
principal component.
Once all the data
has been filtered and
the complete light is
green press close
window or F12 to
return to main
interface.