Henrique Dallazuanna wrote: > Perhaps, > > names(which.max(sapply(DF, max))) > Nice.
I was thinking along the lines of M <- as.matrix(DF) colnames(M)[col(M)[which.max(M)]] > > On 15/10/2007, Lauri Nikkinen <[EMAIL PROTECTED]> wrote: > >> Hi, >> >> Suppose I have a data.frame like this >> >> Lines <- "var1 var2 var3 var4 var5 var6 >> >> 0 2 1 2 0 0 >> 2 3 7 6 0 1 >> 1.5 4 9 9 6 0 >> 1.0 6 10 22 3 3 >> " >> DF <- read.table(textConnection(Lines), skip=1) >> names(DF) <- scan(textConnection(Lines), what = "", nlines = 1) >> >> How do I find the name of the variable which has the maximum value of >> the data.frame? In this example the answer is "var3" (22). >> >> Best regards, >> Lauri >> >> ______________________________________________ >> R-help@r-project.org 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@r-project.org 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. > -- O__ ---- Peter Dalgaard Ă˜ster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ R-help@r-project.org 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.