Try this: xtabs(V4 ~ X + Y, data = m)
On Thu, Oct 30, 2008 at 9:29 AM, Daren Tan <[EMAIL PROTECTED]> wrote: > > Given a dataframe m > > m > X Y V3 V4 > 1 1 A 0.5 1.2 > 2 1 B 0.2 1.4 > 3 2 A 0.1 0.9 > > How do I convert m to this with V4 as the cell values ? > > A B > 1 1.2 1.4 > 2 0.9 NA > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[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.