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st: RE: -icd9- crashes Stata
From
Joe Canner <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: RE: -icd9- crashes Stata
Date
Thu, 12 Dec 2013 16:43:26 +0000
Jeph,
When you say "causes Stata to crash" what exactly do you mean? There's an error message? Stata shuts down? Stata seems to stop working?
In my experience -icd9- is very slow; I use it on data sets that are about same amount of memory but fewer observations (5-10m). Among other things, it does several sorts and a merge with the ICD9 code file.
Absent any other information I would try a -set trace on- and see where the crash is occurring.
Regards,
Joe Canner
Johns Hopkins University School of Medicine
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Jeph Herrin
Sent: Thursday, December 12, 2013 8:24 AM
To: [email protected]
Subject: st: -icd9- crashes Stata
All,
I have been trying to use the Stata command -icd9- to process a variable containing (yes) ICD9 codes. The same fragment of code ran correctly in the past, but now
capture : icd9 dxcode, check gen(invalid)
causes Stata to crash every single time. The dataset is large (~60m obs,
5gb) but Stata has no problem eg merging or sorting the same dataset, so I don't see why that should be an issue. Any thoughts? Any alternatives?
I do not often work with ICD9 codes.
-dxcode- is str7, if that matters.
thanks,
Jeph
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