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RE: st: Assigned sex


From   "Lachenbruch, Peter" <[email protected]>
To   "'[email protected]'" <[email protected]>
Subject   RE: st: Assigned sex
Date   Thu, 23 Dec 2010 10:04:35 -0800

This is such a disappointing email after a tempting title...

Tony

Peter A. Lachenbruch
Department of Public Health
Oregon State University
Corvallis, OR 97330
Phone: 541-737-3832
FAX: 541-737-4001


-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Phil Clayton
Sent: Wednesday, December 22, 2010 5:08 AM
To: [email protected]
Subject: Re: st: Assigned sex

Use -encode- to convert the sex variable to a numeric one, eg:

label define male 0 "F" 1 "M"
encode sex, label(male) gen(male)

Note that I've made the values 0 and 1, rather than 1 and 2, because this makes "male" a dummy variable suitable for regression.

Phil

On 22/12/2010, at 11:50 PM, Marcello Pagano wrote:

> 
> -------- Original Message --------
> 
> 	
> 
> 	
> 
> 	
> 
> 	
> 
> 
> Dear stata-listers,
> 
> I would like some help is using the 'recode' command (or any other appropriate one)
> to reformat one of my variables.
> 
> The variable 'sex' describes what sex each of my subjects is assigned to.
> The variable looks like this:
> 
> . sum sex
> 
>    Variable |       Obs        Mean    Std. Dev.       Min        Max
> -------------+--------------------------------------------------------
>         sex |         0
> 
> . tab sex
> 
>      c:sex |      Freq.     Percent        Cum.
> ------------+-----------------------------------
>          F |        584       48.50       48.50
>          M |        620       51.50      100.00
> ------------+-----------------------------------
>      Total |      1,204      100.00
> 
> As you can see the above variable isn't particularly useful for regression,
> and basic statistics that I would like to use it for. How would I somehow recode
> the variable, such that all boys are coded as 1 and girls as 2?? And the number
> of observations will be listed as 1,204 when the variable is summarized?
> 
> As of now the varibale is the 'str1' format.
> 
> Thanks!
> 
> /Amal.
> 
> 
> 
> Amal Khanolkar, PhD candidate,
> Centre for Health Equity Studies (CHESS),
> Karolinska Institutet,
> 106 91 Stockholm.
> 
> 
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