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st: Stata equivalent of SAS "Proc Traj"?


From   Ariel Linden <ariel.linden@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Stata equivalent of SAS "Proc Traj"?
Date   Thu, 12 Feb 2009 19:36:36 -0800

Hi all,

There is a user-written program for SAS called "Proc Traj" which uses a
semi-parametric approach to categorize individuals into groups based on
their longitudinal trajectories.

Is there similar procedure for us Stata folk?

Here are the references:

Jones, B. L., & Nagin, D. S. (2007). Advances in group-based trajectory
modeling and an SAS procedure for estimating them. Sociological Methods &
Research, 35, 542-571.

Jones, B., Nagin, D. S., & Roeder, K. (2001). A SAS procedure based on
mixture models for estimating developmental trajectories. Sociological
Research and Methods, 29, 374-393.

Thanks!

Ariel


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