Re: [R] ordered matrix question
> -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Juan Pablo Fededa > Sent: Tuesday, February 27, 2007 9:47 AM > To: R-help@stat.math.ethz.ch > Subject: [R] ordered matrix question > > Hi all, > > Is there an easy way to generate an object wich will be the same matrix, but > ordered by de cfp value? > The data frame consists of numeric columns: > "Block""X""Y""cfp""yfp""ID" > 0524244213.417957.184821091 > 055627065.3839049.5683726612 > 052831640.7894745.5737321753 > 0642432135.8173412.401344274 > 071643034.3591353.9449230775 > 0894362109.631583.1971603166 > 095813063.984523.3964520047 > 05069283.5139319.1054968568 > 047646491.6749199.1780894149 > 036442644.139322.06833436410 > > Thanks in advance, > > > Juan Pablo Juan, Look at ?order. Something like this should work your.df[order(your.df$cfp, decreasing=TRUE), ] Hope this is helpful, Dan Daniel Nordlund Bothell, WA USA __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] ordered matrix question
On Tue, 2007-02-27 at 14:46 -0300, Juan Pablo Fededa wrote:
> Hi all,
>
> Is there an easy way to generate an object wich will be the same matrix, but
> ordered by de cfp value?
> The data frame consists of numeric columns:
> "Block""X""Y""cfp""yfp""ID"
> 0524244213.417957.184821091
> 055627065.3839049.5683726612
> 052831640.7894745.5737321753
> 0642432135.8173412.401344274
> 071643034.3591353.9449230775
> 0894362109.631583.1971603166
> 095813063.984523.3964520047
> 05069283.5139319.1054968568
> 047646491.6749199.1780894149
> 036442644.139322.06833436410
>
> Thanks in advance,
Yes, see ?order. E.g.:
mat <- scan()
0524244213.417957.184821091
055627065.3839049.5683726612
052831640.7894745.5737321753
0642432135.8173412.401344274
071643034.3591353.9449230775
0894362109.631583.1971603166
095813063.984523.3964520047
05069283.5139319.1054968568
047646491.6749199.1780894149
036442644.139322.06833436410
mat <- data.frame(matrix(mat, ncol = 6, byrow = TRUE))
names(mat) <- c("Block", "X", "Y", "cfp", "yfp", "ID")
mat
mat[order(mat$cfp), ]
HTH
G
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Gavin Simpson [t] +44 (0)20 7679 0522
ECRC, UCL Geography, [f] +44 (0)20 7679 0565
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and provide commented, minimal, self-contained, reproducible code.
Re: [R] ordered matrix question
"Juan Pablo Fededa" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Hi all, > > Is there an easy way to generate an object wich will be the same matrix, > but > ordered by de cfp value? Does this help? > RawData <- "BlockXYcfpyfpID + 0524244213.417957.184821091 + 055627065.3839049.5683726612 + 052831640.7894745.5737321753 + 0642432135.8173412.401344274 + 071643034.3591353.9449230775 + 0894362109.631583.1971603166 + 095813063.984523.3964520047 + 05069283.5139319.1054968568 + 047646491.6749199.1780894149 + 036442644.139322.06833436410" > d <- read.table(textConnection(RawData), header=TRUE) > d.ordered <- data.matrix( d[order(d$cfp),] ) > d.ordered Block X Y cfp yfp ID 5 0 716 430 34.35914 3.944923 5 3 0 528 316 40.78947 5.573732 3 10 0 364 426 44.13932 2.068334 10 7 0 958 130 63.98452 3.396452 7 2 0 556 270 65.38390 9.568373 2 8 0 506 92 83.51393 9.105497 8 9 0 476 464 91.67492 9.178089 9 6 0 894 362 109.63158 3.197160 6 4 0 642 432 135.81734 12.401344 4 1 0 524 244 213.41795 7.184821 1 efg Earl F. Glynn Stowers Institute for Medical Research __ 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 and provide commented, minimal, self-contained, reproducible code.
Re: [R] ordered matrix question
Juan Pablo, X is data.frame or matrix X <- X[order(X[,4]),] options see help(order) Felipe de Mendiburu -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Juan Pablo Fededa Sent: Tuesday, February 27, 2007 12:47 PM To: R-help@stat.math.ethz.ch Subject: [R] ordered matrix question Hi all, Is there an easy way to generate an object wich will be the same matrix, but ordered by de cfp value? The data frame consists of numeric columns: "Block""X""Y""cfp""yfp""ID" 0524244213.417957.184821091 055627065.3839049.5683726612 052831640.7894745.5737321753 0642432135.8173412.401344274 071643034.3591353.9449230775 0894362109.631583.1971603166 095813063.984523.3964520047 05069283.5139319.1054968568 047646491.6749199.1780894149 036442644.139322.06833436410 Thanks in advance, Juan Pablo [[alternative HTML version deleted]] __ 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 and provide commented, minimal, self-contained, reproducible code. __ 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 and provide commented, minimal, self-contained, reproducible code.
[R] ordered matrix question
Hi all, Is there an easy way to generate an object wich will be the same matrix, but ordered by de cfp value? The data frame consists of numeric columns: "Block""X""Y""cfp""yfp""ID" 0524244213.417957.184821091 055627065.3839049.5683726612 052831640.7894745.5737321753 0642432135.8173412.401344274 071643034.3591353.9449230775 0894362109.631583.1971603166 095813063.984523.3964520047 05069283.5139319.1054968568 047646491.6749199.1780894149 036442644.139322.06833436410 Thanks in advance, Juan Pablo [[alternative HTML version deleted]] __ 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 and provide commented, minimal, self-contained, reproducible code.
