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traj (version 1.3.1)

traj-package: traj: Trajectory Analysis

Description

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.

Arguments

Author

Maintainer: Gillis Delmas TCHOUANGUE DINKOU gillisdla2@gmail.com

Authors:

  • Marie-Pierre Sylvestre

  • Dan Vatnik

See Also