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Mplus Discussion > Latent Variable Mixture Modeling >
 Miriam Forbes posted on Monday, March 06, 2017 - 1:27 pm
Hi Drs Muthén,

I'm trying to use a mixture model to detect classes that differ on the strength of their relationship between two continuous variables (X and Y). I can't get my head around how to specify the model so that the groups differ only on the slope of X->Y, and not based on the intercept.

Could you please point me in the right direction to write model syntax that separates classes based only on the slope of x->y, and allows the intercept (and variable means and variances) to vary within class?

Thanks for your help!

 Bengt O. Muthen posted on Monday, March 06, 2017 - 6:05 pm

y on x;
[y] (1);
y on x;
[y] (1);
 Miriam Forbes posted on Tuesday, March 07, 2017 - 9:31 am
Beautiful! Thanks, Dr Muthén.
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