Re: [R] select cases

From: Dimitris Rizopoulos <dimitris.rizopoulos_at_med.kuleuven.ac.be>
Date: Wed 20 Apr 2005 - 00:24:42 EST

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


> 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
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Wed Apr 20 00:26:53 2005

This archive was generated by hypermail 2.1.8 : Fri 03 Mar 2006 - 03:31:16 EST