I'm writing a paper aimed at motivating the use of GEE within the field of
economics.  However, after computing using the geeglm function, I noticed
there's one intercept in the summary output.  I assume this means the
function is pooling the data.  That means my code is not what I want.  I
want a "fixed effects" model, meaning I want the intercept to vary by
cluster.  Here's my current code.

gfit4<-geeglm(ineq~GDP.log2,family=gaussian(link="identity"),data=data3,id=country,corstr="ar1")
summary(gfit4)


What do I need to include to get the function to compute a model where the
intercept varies by the country?



Thanks

-chris linton

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