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st: memory for matrices

From   Kit Baum <[email protected]>
To   [email protected]
Subject   st: memory for matrices
Date   Wed, 27 Jul 2005 12:17:39 -0400

Florence said

thank you. I'm trying to make things compatible with stata 7/8/9 so I think that Mata is out :(
Thanks anyway though.

Are you perhaps creating Stata matrices unnecessarily? In the pre-Mata matrix language, commands like mat accum, mat vecaccum, mat glsaccum allow you to avoid ever creating matrices that would be otherwise unreasonably large: e.g. something like X' W X where W is NxN.

Kit Baum, Boston College Economics

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