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Re: st: RE: RE: joinby command and memory issues


From   "Weichle, Thomas" <Thomas.Weichle@va.gov>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: RE: RE: joinby command and memory issues
Date   Tue, 12 Oct 2010 15:27:12 -0500

Ok, I have an update.  I followed the -reshape- approach you suggested.
I had no problems with reshaping epo.dta.  Then, I tried the merge with
hgb.dta (which only contained the necessary 3 vars and was compressed).
However, even this merge became too much for my system to handle.  And
just to test, I tried joinby with hgb.dta.  Not surprisingly, this
failed as well.  So, I came to the point of needing to split hgb.dta.  I
initially split it into 10 separate datasets.  For each of these, I used
joinby with epo.dta.  This worked smoothly and I saved the joined
datasets.  Then, I appended all 10 together.  I believe I am finally at
the point where I wanted to be.  

Eric and everyone else, thank you very much for your suggestions.  This
was quite a learning experience.  By the way, I found out that we will
be upgrading to 64-bit in the near future!

Tom Weichle
Math Statistician
Center for Management of Complex Chronic Care (CMC3)
Hines VA Hospital, Bldg 1, C202
708-202-8387 ext. 24261
Thomas.Weichle@va.gov 


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