[R] Error in Aggregate

[R. Michael Weylandt]

The error message is clear: your problem is that your data.frame (note
the period) contains factors. Use str(data) -- also don't use data as
it's a function name -- to see which ones and change as appropriate.

Michael

On Wed, Feb 29, 2012 at 7:16 AM, arunkumar1111 <akpbond007 at gmail.com> wrote:
> Hi
>
> My dataframe  looks like this
>
> data=
> id V1 V2 V3 V4
> 1  5 6  7 8
> 1  10 20 30 40
> 2  23 54 54 6
> 3  43 54 54 33
> 4  12 34 54 54
> 4  34 54 23 52
>
> I have to sum by id
>
> I used command aggregate(data,by =list(data$id),FUN=sum)
>
> Error i face is
>
> Error in Summary.factor(c(1L, 1L, 1L, 1L, 1L), na.rm = FALSE) :
>  sum not meaningful for factors
>
>
> Please help me
>
>
> -----
> Thanks in Advance
>        Arun
> --
> View this message in context: http://r.789695.n4.nabble.com/Error-in-Aggregate-tp4431318p4431318.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> R-help at 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.