?order df[order(yourcolumn, ] -- Bert
On Thu, Oct 11, 2012 at 10:08 AM, LCOG1 <[email protected]> wrote: > Hello all, > I cannot seem to figure out this seemingly simple procedure. > > I want to sort a data frame by a specified character vector. > > So for : > > df.. <- data.frame(Season=rep(c("Summer","Fall","Winter","Spring"),4),Obs= > runif(length(rep(c("Summer","Fall","Winter","Spring"),4)))) > > I want to sort the data frame by the seasons but in the order I specify > since alphapetically would not put the season in sequential order > > I tried the following and a few other things but no dice. It looks like I > will have to convert to factors. Any thoughts? Thanks > > df.. <- > df..[sort(as.factor(Df..$Season,levels=c("Summer","Fall","Winter","Spring"))),] > > Josh > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/Sorting-a-data-frame-by-specifying-a-vector-tp4645867.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > [email protected] 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ [email protected] 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.
