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st: relogit - stata

From   Ada Hyso <>
Subject   st: relogit - stata
Date   Thu, 7 Aug 2008 10:23:32 -0500 (CDT)


I am using relogit in one of my papers. I run the same model with three different dependent variables. I works just fine with one of them. But, it doesn't work with the other two, which are no more than subsets of this first variable. 

I get the following error messages:

 conformability error;
        You have issued a matrix command attempting to combine two
        matrices that are not conformable, for example, multiplying
        a 3x2 matrix by a 3x3 matrix.  You will also get this message
        if you attempt an operation that requires a square matrix and
        the matrix is not square.

However, I know it is a similar matrix with the one that works. The variables do not change, but the dependent one which also takes values 0 and 1 just like the one that works.  

  matrix has missing values;
        You have issued a matrix command attempting a matrix operation
        that, were it carried out, would result in a matrix with missing
        values; dividing by zero is a good example.

This is a little more perplexing. The model is the same. There is no missing data. 

Any suggestions?

Ada Hyso, Doctoral Candidate 
Department of Political Science
University of Wisconsin-Milwaukee
Milwaukee, WI 53201
Fax 414-229-5021
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