[R] a R function for sort a data frame.
Dimitris Rizopoulos
dimitris.rizopoulos at med.kuleuven.ac.be
Fri Apr 1 16:11:16 CEST 2005
look at "?order()", e.g.,
dat[order(dat[,1]),]
will sort your data.frame wrt the first column.
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: "Mario Morales" <malfonso at telecom.com.co>
To: <r-help at stat.math.ethz.ch>
Sent: Friday, April 01, 2005 5:22 AM
Subject: [R] a R function for sort a data frame.
> Is there a R function for sort a data frame by a variable ?
>
> I know sort a vector, but I don't know sort a data frame by a
> column. Can you help me ?
>
> the sort() function don't work with data frame.
>
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