Trajectory modeling of nominal data i... PreviousNext
Mplus Discussion > Growth Modeling of Longitudinal Data >
 Libby Holden posted on Wednesday, September 10, 2014 - 4:34 pm
Greeting Bengt,

I am looking for papers that give examples of using MPlus to model longitudinal trajectories for nominal data (e.g. anxiety only, depression only, both, neither).

Have you done this or can you recommend any papers for me to look at?

Warm Regards
 Bengt O. Muthen posted on Wednesday, September 10, 2014 - 5:21 pm
It's an interesting question that comes up now and again. I don't know of any writings on nominal growth - do others know? Perhaps it is because nominal is different from binary and ordinal where the latter can be seen has having a single underlying continuous latent response variable, in that sense a single growth curve, and therefore a single slope when regressed on a predictor such as a growth factor. Nominal has as many slopes as there are categories minus 1, so that many growth curves.

Given no (applied) writings on it, it is harder to work with and publish. I would probably recommend instead working with a latent transition model, where you focus on the probabilities of transitioning from one category to another.
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