Specifications for LGMM PreviousNext
Mplus Discussion > Latent Variable Mixture Modeling >
Message/Author
 Anthony Mancini posted on Friday, April 29, 2016 - 8:06 pm
The syntax below was used for a three class LGMM with 7 time points.I am trying to understand the syntax, which I find peculiar in the way it defines the growth factors and also in the way it handles the variances and covariances. In other words, does the syntax below sound any general alarm bells? Help is greatly appreciated.
%OVERALL%
i BY lfsat05_pre@1
lfsat03_pre@1
lfsat01_pre@1
lfsat00_pre@1
lfsat01_pos@1
lfsat03_pos@1
lfsat05_pos@1;

ant BY lfsat05_pre@0
lfsat03_pre*-0.349
lfsat01_pre*2.791
lfsat00_pre*5.699
lfsat01_pos*3.256
lfsat03_pos*1.617
lfsat05_pos@1;
i*2;
ant@0;
i WITH ant@0;
[lfsat05_pre-lfsat00_pre@0];
[lfsat01_pos-lfsat05_pos@0];
 Bengt O. Muthen posted on Saturday, April 30, 2016 - 6:17 am
ant@0; seems strange because it says that you don't have any variation in the ant factor - the factor is not needed.
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