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Hi Dr. Muthen,
How could I access the estimate of the dispersion parameter and the variance of a latent profile analysis with three time points estimated with a negative binomial latent class indicator at each time point?
I would like to impose constraints on the negative binomial dispersion parameter and the variance, but it is not clear how I would be able to access both parameters. |
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The dispersion parameter for a negbin variable y is referred to as
y;
I don't know what you mean by "and the variance". There is no variance connected with a negbin variable, just the dispersion. |
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