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Direct linkShedden, Kerby; Zucker, Robert A. – Psychometrika, 2008
Finite mixture models are widely used in the analysis of growth trajectory data to discover subgroups of individuals exhibiting similar patterns of behavior over time. In practice, trajectories are usually modeled as polynomials, which may fail to capture important features of the longitudinal pattern. Focusing on dichotomous response measures, we…
Descriptors: Substance Abuse, Probability, Children, At Risk Persons
