Zelig has 3 approaches to ecological inference. You'll find them in a separate category in our documentation: http://gking.harvard.edu/zelig/docs/index.html. There's at least one more coming as well.
Gary
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http://gking.harvard.edu

On 08/31/2009 01:39 PM, GRASSO CLAUDIO wrote:

Dear!                                        Trento, 31/08/09


My name is claudio grasso, Faculty of Sociology in Trento, Italy. If don't 
mistake ZELIG utilized R in order to work. J (have) understaad how to open file 
in R . J am interested in the Ecological Inference.
I have four parties At1, Bt1, Ct1, Dt1 in an election and the same parties in 
the following election At2, Bt2, ct2,Dt2
wHICH ARE THE COMANDS SINTAX IN ORDER to oblain transition matrixbetwen two 
elections? Thank yuo. Claudio Grasso

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