Interpretation of Y-axis in parallel ... PreviousNext
Mplus Discussion > Growth Modeling of Longitudinal Data >
 Joo-Young Lee posted on Tuesday, April 27, 2010 - 5:25 am

I analyzed parallel GGMM with 2 covariates and achieved a 4-class solution.

In order to demonstrate 2 growth patterns for each of 4 classes on the same graph, I calculated expected values for 5 time points using the means of intercepts and slopes for each class and plotted them on the same graph.

As a result, I ended up having 8 linear lines on the graph, 2 for each class.

In this case, how shoud I name and interpret the Y-axis? And is it possible to draw 2 growth patterns on the same graph? Since 2 growths came from different measures, I was wondering if I have to draw 2 different graphs.

Thank you in advance!
 Linda K. Muthen posted on Tuesday, April 27, 2010 - 3:57 pm
The y-axis is in the metric of the outcomes. If the two outcomes have different metrics, the two plots should be in different graphs.
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