Auxillary threshold parameterization ... PreviousNext
Mplus Discussion > Growth Modeling of Longitudinal Data >
 daniel adkins posted on Monday, August 07, 2006 - 10:47 pm
bollen (2006) following joreskog (2001) writes that the means of all the latent growth factors in a LCM with binary repeated measures may be estimated if the repeated measure threshholds and latent growth factor variances are fixed (to zero). how can this so-called "auxillary threshold model" be programed in M+? i've tried this parameterization for a quadratic LCM with binary repeated measures and have encountered difficulty constraining the thresholds. any advice or code would be great.
 Linda K. Muthen posted on Tuesday, August 08, 2006 - 6:14 am
You can fix the thresholds of a binary variable u measured at four time points to zero by the following statement:


If this does not answer your question, you should send your input, data, output, and license number to
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