Hi Jonathan, Thank you very much! I was about to recall this after I found this discussion (https://stat.ethz.ch/pipermail/r-help/2008-June/164440.html), but I think your solution is more tidy.
Thank you very much! Matt On Wed, Dec 8, 2010 at 8:33 PM, Jonathan Christensen <dzhona...@gmail.com>wrote: > Matt, > > library(reshape2) > wide.df <- dcast(df, y ~ x) > > Works great for me. > > Jonathan > > > On Wed, Dec 8, 2010 at 7:26 PM, Matthew Pettis <matthew.pet...@gmail.com> > wrote: > > Hi, > > > > I was wondering if there is an easy way that I am missing for turning a > long > > dataframe into a wide one. Below is sample code that will make what I > have > > and, in comments, the form of what I want: > > > > # Have: dataframe like 'df' > > df <- expand.grid( x=LETTERS[1:3], y=LETTERS[4:6]) > > df$z <- letters[1:length(df[,1])] > > > > # Want: data.frame that has following form: > > # A B C > > # D a b c > > # E d e f > > # F g h i > > > > > > I looked at 'xtabs' and 'cast' from reshape/reshape2, but unless I'm > > misunderstanding something, these will work only for the 'z' column being > > numeric, not textual. Is there an easy way to do this with 'z' being > > textual rather than numeric? > > > > tia, > > Matt > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > 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. > > > -- Seven Deadly Sins (Gandhi): - Wealth without work - Politics without principle - Pleasure without conscience - Commerce without morality - Science without humanity - Worship without sacrifice - Knowledge without character [[alternative HTML version deleted]] ______________________________________________ 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.
