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Implements the threestep procedure proposed by Leffondree et al. (2004) to identify clusters of individual longitudinal trajectories. The procedure involves (1) calculating 24 measures describing the features of the trajectories; (2) using factor analysis to select a subset of the 24 measures and (3) using cluster analysis to identify clusters of trajectories, and classify each individual trajectory in one of the clusters.
Package details 


Author  MariePierre Sylvestre, Dan Vatnik 
Maintainer  Dan Vatnik <dan.vatnik@gmail.com> 
License  GPL2 
Version  1.2 
Package repository  View on CRAN 
Installation 
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