Hi Arnaud, The reason I wrote the following function is that it always takes me half a dozen tries with "reshape" before I get the syntax right:
amdf<-read.table(text="A 10 B 5 C 9 A 5 B 15 C 20") library(prettyR) stretch_df(amdf,"V1","V2") V1 V2_1 V2_2 1 A 10 5 2 B 5 15 3 C 9 20 Jim On Tue, Aug 27, 2019 at 4:06 AM Arnaud Mosnier <a.mosn...@gmail.com> wrote: > > Hi, > > I have a really simple question. > I need to convert a data.frame with the following format > > A 10 > B 5 > C 9 > A 5 > B 15 > C 20 > > in this format > > A 10 5 > B 5 15 > C 9 20 > > Thanks !!! > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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 -- To UNSUBSCRIBE and more, see 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.