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Re: st: how do you re-categorize a string variable?


From   Gwinyai Masukume <parturitions@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how do you re-categorize a string variable?
Date   Wed, 24 Apr 2013 07:17:16 +0200

Hi Darren,

changed to:
replace hypertension_status = "hypertensive" if hypertension == "mild"|
hypertension == “moderate” | hypertension == “severe”

works nicely - thanks
had forgotten that in Stata, equals --> ==

thanks again,
gwinyai

On 4/24/13, Darren White <darrenm.white@health.qld.gov.au> wrote:
> Hi Gwinyai
>
> You may need a == in your if statement
>
> eg: replace hypertension_status = "hypertensive" if hypertension ==
> "mild"  etc etc
>
> or maybe you have a numeric variable with text labels if so
>
> use command:
> tab hypertension, nolabel
>
> to view the numeric codes
>
> cheers
>
> Darren
>
>
>>>> Gwinyai Masukume <parturitions@gmail.com> 4/24/2013 2:56 pm >>>
> Dear Stata listers,
>
> I have a dataset with the string variable hypertension. Observations
> of the variable hypertension can be mild, moderate, and severe or no
> hypt (no hypertension):
>
> hypertension
> .
> mild
> .
> .
> moderate
> .
> severe
> no hypt
> severe
> .
> .
> mild
> mild
> .
> no hypt
> .
>
> I would like to create a new variable, hypertension_status, which
> ‘distingushes’ if an individual is hypertensive or not.
>
> generate hypertension_status = hypertension
> replace hypertension_status = "hypertensive" if hypertension = "mild"|
> hypertension = “moderate” | hypertension = “severe”
>
> I am getting:
> type mismatch
> r(109);
>
> How can I formulate the command?
>
> Kind regards,
> Gwinyai
>
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