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behailu ayele <firstname.lastname@example.org>
Tue, 15 Nov 2011 09:36:27 +0000
I have problem extracting parts of a matrix I estimated.
my matrix e(b) is 9 by 9. Now I want to extract the first line and I did this.
my problem is when i want to have a 3 by 9 matrix of the last three columns
is this not what I am supposed to do?
your help is ppraciated
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