Figure 1.

Cattell’s ‘data-cube’ (A), latent class analysis with three classes (red, green, blue) in the S-by-P slice (B), factor analysis with two factors within the S-by-P slice (C) growth mixtureanalysis with three classes (red, green, blue) within the P-by-T slice (D).

Wardenaar and de Jonge BMC Medicine 2013 11:201   doi:10.1186/1741-7015-11-201
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