On Wed, Mar 9, 2016 at 8:28 AM, carol white <[email protected]> wrote: > What should be FUN in aggregate as no function like mean, sum etc will be > applied
I have no idea, since you haven't told us what you want the results to look like. > Carol > > > On Wednesday, March 9, 2016 1:59 PM, Sarah Goslee <[email protected]> > wrote: > > > Possibly aggregate(), but you posted in HTML so your data were mangled. > > Please use dput(), post in plain text, and try to explain more clearly > what you want the result to look like. > > Sarah > > On Wed, Mar 9, 2016 at 7:09 AM, carol white via R-help > <[email protected]> wrote: >> How is it possible to group rows of a matrix or a data frame by the same >> values of the first column? >> 1 14331 453452 653 3762 45 >> >> 1 1433,453452 45, 653 376 >> Thanks >> >> Carol > ______________________________________________ [email protected] 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.
