R help - May 2008 - Is there a package assuming a DIRICHLET model for Marketing Consumer Panel

Hi List,

I was wondering if there is a package in R that uses the DIRICHLET model for
 panel data like in Goodhart, Ehrenberg, Chatfield 1984. The model uses a
combination of distributions and is specifically designed for marketing panel
data,   using input data such as penetration, brand share, buying frequency and
so on. It is used mainly for assessing the fit of this model to the data and for
testing if differences in penetration or market share for two periods on a
continuous sample, are different or not.
Any suggestion is highly appreciated. 

I searched nabble, and i have seen VGAM  package (for ?dirichlet) but could not
find anything resembling the above model.

Thank you and have a great day ahead!

       
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