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Re: st: Assigned sex


From   Marcello Pagano <pagano@hsph.harvard.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Assigned sex
Date   Thu, 23 Dec 2010 14:04:48 -0500

and yet only one person complained!!!!

m.p.

On 12/23/2010 1:04 PM, Lachenbruch, Peter wrote:
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: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Phil Clayton
Sent: Wednesday, December 22, 2010 5:08 AM
To: statalist@hsphsun2.harvard.edu
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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