Message-ID: <BAY103-F16FAC151C1EE1944F89896A6380@phx.gbl>
Date: 2005-04-01T16:55:59Z
From: Francisco J. Zagmutt
Subject: a R function for sort a data frame.
In-Reply-To: <20050401140705.93452.qmail@web50102.mail.yahoo.com>
dat<-data.frame(ID=seq(1,10),x=runif(10,2,50))
dat<-dat[sort.list(dat$ID),]
Francisco
>From: bogdan romocea <br44114 at yahoo.com>
>To: malfonso at telecom.com.co
>CC: r-help at stat.math.ethz.ch
>Subject: RE: [R] a R function for sort a data frame.
>Date: Fri, 1 Apr 2005 06:07:05 -0800 (PST)
>
>dfr <- data.frame(sample(1:50,10),sample(1:50,10))
>colnames(dfr) <- c("a","b")
>dfr <- dfr[order(dfr$a),]
>dfr <- dfr[order(-dfr$a),]
>
>
>
>-----Original Message-----
>From: Mario Morales [mailto:malfonso at telecom.com.co]
>Sent: Thursday, March 31, 2005 10:23 PM
>To: r-help at stat.math.ethz.ch
>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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