[R] posterior probability in finite mixture

[Wensui Liu]

Dear All,

This is a question somewhat off-topic.

Say, if I have known the number of components in the mixture, all the
estimated parameters, prior probabilities, and so on for a finite
mixture model, how might I compute the posterior probabilities of each
case for a new dataset without observed response (Y)? I want to know
the parametric form of such calculation such that I can calculate it
manually in excel or sql.

Thank you so much!

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WenSui Liu
Statistical Project Manager
ChoicePoint Precision Marketing
(http://spaces.msn.com/statcompute/blog)