traj: Trajectory Analysis

Implements the three-step 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.

AuthorMarie-Pierre Sylvestre, Dan Vatnik
Date of publication2015-01-13 10:27:21
MaintainerDan Vatnik <dan.vatnik@gmail.com>
LicenseGPL-2
Version1.2

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