398
grv-rnfs
fs
-C. Barcelo· V. Pawlowsky . G. Bohling
vfs-s ilt
, ' ,', ' , .
" . , ..
Fig.9 Ternary diagram for
three-part amalgamation
(BC-clustering)
Fig.10 Regionalized classification based on a mixture
model as a clustering procedure applied to data transformed by the BC-transformation
Table 6 makes evident that samples from hierarchic group 2 are split and distributed among new groups 1 and 3, samples from hierarchic groups 3 and 5
move to new group 4, while samples of new group 5 come mainly from hierarchic group 6. The new groups 5 and 6 look like groups 6 and 7 of the hierarchic
cluster. It seems that only six groups would be necessary to obtain a reasonable
clustering of available data. Some of these facts are evident when the maps in
Fig. 4 and Fig. 10 are compared.
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