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Figure 2
Four different methods of estimating the number of clusters present in the data: (a) the use of the C test [the C(c) coefficients have been multiplied by 100.0], the γ test (coefficients × 10.0), and the CH test; (b) a scree plot from the eigenanalysis of the correlation matrix.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 37| Part 2| March 2004| Pages 243-252
doi:10.1107/S0021889804000391
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