A Note on a Stata Plugin for Estimating Group-based Trajectory Models

Bobby L. Jones and Daniel S. Nagin

Sociological Methods & Research, 2013, vol. 42, issue 4, 608-613

Abstract: Group-based trajectory models are used to investigate population differences in the developmental courses of behaviors or outcomes. This note introduces a new Stata command, traj , for fitting to longitudinal data finite (discrete) mixture models designed to identify clusters of individuals following similar progressions of some behavior or outcome over age or time. Normal, Censored normal, Poisson, Zero-inflated Poisson, and Logistic distributions are supported.

Keywords: Stata; plugin; group-based; trajectory; models (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:somere:v:42:y:2013:i:4:p:608-613

DOI: 10.1177/0049124113503141

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