On Feb 28, 2013, at 5:26 AM, Miss SHENG Lisha wrote:

> I still don't think the exp(lp)/(1+exp(lp)) gonna work. Since this is 
> conditional logit model, while this formula is only used in unconditional 
> ones. By using this, one neglects the information based on stratum. Though I 
> don't know how to solve it to. I am also working on a project on this and I 
> do hope there's someone explaining this problem. Will that be a possibility 
> that the phat can never be estimated as we never know the individual 
> intercept?
> 

>       [[alternative HTML version deleted]]
(You are requested to post in palin text.)

This appears to be addressed to a thread that appeared almost three years ago. 
I suspect you have not read all the way to the end of the thread:

https://stat.ethz.ch/pipermail/r-help/2010-April/235956.html

-- 

David Winsemius
Alameda, CA, USA

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