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st: RE: Moving from Stata to Mata


From   "daniel waxman" <dan@amplecat.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Moving from Stata to Mata
Date   Mon, 15 Oct 2007 16:21:38 -0400

Tom,

One can view Stata's main memory space as nothing more than a big matrix,
with variables being columns and observations rows.

I think that st_view() in Mata might be what you're looking for.

By the way, I've always interpreted "hope this helps" as listserv-speak
which translates roughly into "I've spent some time answering your query but
can't promise that I'll spend any more..."  Or something like that.  (said
with humorous intent... no offense to anybody.)

Hope this helps!

Daniel



-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Thomas Jacobs
Sent: Monday, October 15, 2007 4:12 PM
To: StataList
Subject: st: Moving from Stata to Mata

If one is working with program or do file in Stata and wishes to move
to Mata within the program to use a Mata function for a matrix or
vector defined in the Stata program, is this possible?

For example, I produce a vector of changes and wish to calculate the
norm using mata's norm function.  If I invoke Mata, it does not appear
that any of my Stata variables and matrices are there.  If it is
possible to move between them, what steps must be taken to "move" the
matrix from Stata to Mata?

Thanks very much.

Sincerely,

Tom

-- 
Thomas Jacobs
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