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st: RE: convert datafile to a matrix


From   "Lei Xuan" <leix@martingale-research.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: convert datafile to a matrix
Date   Mon, 24 Apr 2006 10:46:45 -0500

Dear Kit,

Thanks for your suggestions. It is a good point that passing vectors instead
of matrix into C and then Matlab.

Thanks again,
Lei


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Kit Baum
Sent: Saturday, April 22, 2006 7:54 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: convert datafile to a matrix

Unless you are going to carry out matrix operations in Stata, there  
is no need to make it into a matrix--just use outsheet on the  
variables and observations that you want to pass to MATLAB. If you  
want to kick out the vector arising from regress or logit, use the  
file command.

If you want to work with your dataset as a matrix in Stata, use a  
Mata view on the dataset.
help mata for details.

Kit

On Apr 22, 2006, at 2:33 AM, Lei wrote:
I want to convert my input dataset into a big matrix and pass it to C  
code
and then pass it to MATLAB. I am not very familiar with matrix  
operations in
STATA. Would you please simple point me to some examples or sample  
codes?


Kit Baum, Boston College Economics
http://ideas.repec.org/e/pba1.html


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