[R] Empirical Bayes Estimator for Poisson-Gamma Parameters

Nicole Ford nicole.ford at me.com
Sun Mar 3 01:37:26 CET 2013


just seeing this.

when you say y1 and y2, are you asking about 2 differnt models in an effort to model select?  i need more info, i might be able to help.  please supply a bit more info. 

~n
On Feb 25, 2013, at 4:39 AM, Ali A. Bromideh wrote:

> Dear Sir/Madam,
> 
> 
> 
> I apologize for any cross-posting. I got a simple question, which I thought
> the R list may help me to find an answer. Suppose we have Y_1, Y_2, ., Y_n ~
> Poisson (Lambda_i) and Lambda_i ~Gamma(alpha_i, beta_i).  Empirical Bayes
> Estimator for hyper-parameters of the gamma distr, i.e. (alpha_t, beta_t)
> are needed. 
> 
> 
> 
> y=c(12,5,17,14)
> 
> n=4
> 
> 
> 
> What about a Hierarchal B ayes estimators?
> 
> 
> 
> 
> 
> Any relevant work and codes in R (or S+) is highly appreciated. 
> 
> 
> 
> Kind regards,
> 
> Ali
> 
> 
> 
> 
> 	[[alternative HTML version deleted]]
> 
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