rownames()<- is what you want. > dat<-data.frame(V1=sample(10),V2=sample(10)) > dat V1 V2 1 2 5 2 3 8 3 8 4 4 9 6 5 6 2 6 5 7 7 10 3 8 4 9 9 1 10 10 7 1 > dat<-dat[order(dat$V2),] > dat V1 V2 10 7 1 5 6 2 7 10 3 3 8 4 1 2 5 4 9 6 6 5 7 2 3 8 8 4 9 9 1 10 > rownames(dat)<-1:dim(dat)[1] ## or rownames(dat)<-dat$V2 > dat V1 V2 1 7 1 2 6 2 3 10 3 4 8 4 5 2 5 6 9 6 7 5 7 8 3 8 9 4 9 10 1 10
HTH On 1/24/07, domenico pestalozzi <[EMAIL PROTECTED]> wrote: > I import a dataframe composed by 2 variables and 14000 cases. Now I need the > labels of the cases sorted by the second variable V2, but if I sort the > dataframe according to the second variable: > > mydataframe<- mydataframe[order(mydataframe$V2),] > > I notice that the labels are always the same (that is, not ordered by V2). > > How to change them? > I tried : > > labels(mydataframe)<-1:14000 > > but it doesn't work. > > Thanks > > domenico > > [[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.
