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Re: st: increasing time burden during resampling


From   vwiggins@stata.com (Vince Wiggins, StataCorp)
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: increasing time burden during resampling
Date   Wed, 30 Dec 2009 22:45:15 -0600

Al Feiveson <alan.h.feiveson@nasa.gov> asks,

> [...] Actually, there are some matrices that I form before the
> iterations that I would like to preserve. Instead of "matrix drop
> _all", is there some easily referenced group of matrices (not my
> own) that should be dropped? 

I am afraid not.  It is a fortuitous artifact that -matrix drop _all- solves
the problem.

In the interim before the update, Al can use the Mata function -st_matrix()-
to safely hold matrices in Mata before -matrix drop _all- and restore them to
Stata afterward.  If the row and column stripes are important, Al will need to
also use -st_matrixrowstripe()- and -st_matrixcolstripe()- to save and restore
the stripes.


 
-- Vince 
   vwiggins@stata.com

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