[R] select cases

Dimitris Rizopoulos dimitris.rizopoulos at med.kuleuven.ac.be
Tue Apr 19 16:24:42 CEST 2005


presuming that you have a data.frame look at "?subset()", e.g.,

# dat is your data.frame
subset(dat, sex=="male")


I hope it helps.

Best,
Dimitris

----
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/16/336899
Fax: +32/16/337015
Web: http://www.med.kuleuven.ac.be/biostat/
     http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm


----- Original Message ----- 
From: "Faouzi LYAZRHI" <f.lyazrhi at envt.fr>
To: <R-help at stat.math.ethz.ch>
Sent: Tuesday, April 19, 2005 4:18 PM
Subject: [R] select cases


> Hi,
> I would like to select a few cases (for example cases corresponding 
> to sex=male) to make summary for another variable.
> How can I do this.
> Thanks for your help
> Fawtzy
>
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