[R] group by rows
wht_crl at yahoo.com
Wed Mar 9 14:28:19 CET 2016
What should be FUN in aggregate as no function like mean, sum etc will be applied
On Wednesday, March 9, 2016 1:59 PM, Sarah Goslee <sarah.goslee at gmail.com> 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.
On Wed, Mar 9, 2016 at 7:09 AM, carol white via R-help
<r-help at r-project.org> 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
> [[alternative HTML version deleted]]
[[alternative HTML version deleted]]
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