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Re: st: -icd9- crashes Stata

From   Richard Goldstein <>
Subject   Re: st: -icd9- crashes Stata
Date   Thu, 12 Dec 2013 08:37:44 -0500


you need to  move "check" to right after the "icd9"


On 12/12/13, 8:24 AM, Jeph Herrin wrote:
> 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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