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st: RE: saving a matrix with rownames


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: saving a matrix with rownames
Date   Fri, 30 May 2008 13:28:07 +0100

Your first works for me. The variable receives the row names as
intended. 

I wouldn't expect the second to work, as it's illegal. 

-svmat2- from STB-56 added a way to save row names that is, in my view,
better than either. You need to go 

. search svmat2, historical

to see locations. The grading by StataCorp of this as historical is not
quite accurate, in so far as -svmat- remains part of Stata and the
user-written -svmat2- added a feature in 2000 that is yet to be matched
by the official command. 

Nick 
n.j.cox@durham.ac.uk 

Data Analytics Corp.

I created a matrix, M, with row names such as Frag300, Frag400, etc.  I 
want to save the matrix as a set of variables so I used svmat, which 
worked perfectly.  But I also want to save the row names as a variable, 
say rown.  I used the following:

local names : rownames M
gen str rown = "`names'"

and got the variable rown, but it's blank.  I also used

gen str rown = `names'

but got an error message saying Frag300 not found.  How do I save the 
row names as a variable?

I'm using Stata 10 on a Vista machine.

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