A schematic overview of the entire set of data analysis procedures discussed in the previous sections is shown in Figure 29. With the exception of factor analysis procedures which can be found in the SPSS, ARTHUR and BMDP packages, and dendrogram procedures, which are present in the CLUSTAN programs, all procedures shown in Figure 29 are available in the F.O.M. package. A challenging development for the coming years will be to combine the most attractive features of these programs in a single package, suitable for operator-interactive processing of pyrolysis mass spectra on mini-computer systems.
FACTOR 1 (unrotated)
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