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 <dzhonatan@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.pettis@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]]

