Finding breakpoint in a piecewise model PreviousNext
Mplus Discussion > Growth Modeling of Longitudinal Data >
 Jordan Silberman posted on Wednesday, August 08, 2012 - 5:29 pm

I'd like to run a piecewise cohort-sequential model. Two questions:

1. I haven't seen examples of piecewise cohort sequential models in the literature. In principle, is there any reason why one can't use the piecewise approach within a cohort-sequential model?

2. The model spans 43 years, so it's not obvious where the breakpoint should be. I could simply plot the data and "eyeball" it, but, is there a more precise way to determine the optimal location for a breakpoint?

 Linda K. Muthen posted on Thursday, August 09, 2012 - 10:38 am
1. No.
2. I would look at the curves to see where the break may be. The is a literature on change point analysis that you might want to look at. Mplus does not yet do this.
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