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st: Ordered Probit with Panel Data [reoprob]
I use Stata 9.1. I apologise for repeating this question in case someone
already addressed the same and I missed it. I had earlier posted this
question on Mar 29, 06.
I ran an oprobit with a panel data and got the estimates. Of course, the
regression model does not consider the panel nature of the data. But, when I
am running an reoprob with exactly the same variables I get the following
When I checked the same I found the following description, which I do not
"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."
Could someone please help me in understanding what I need to do so that I
can get an estimate of the random-effect ordered probit model?
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