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Mixture Regression Modeling
Prior Distribution of Group Proportions
For the prior distribution of group proportions, Amos uses a Dirichlet distribution with
parameters that you can specify. By default, the Dirichlet parameters are 4, 4, ….
E To specify the Dirichlet parameters, right-click on a group proportion’s estimate in the
Bayesian SEM window and choose
Show Prior from the pop-up menu.