On May 1, 2012, at 15:36 , R. Michael Weylandt wrote:
> I don't think you can do it within expand.grid() but something like
> this might work:
>
> rownames(x) <- apply(x, 1, paste, collapse = "")
>
Also
rownames(x) <- do.call(paste, c(x, sep=""))
or, in recent versions,
rownames(x) <- do.call(paste0, x)
> Michael
>
> On Tue, May 1, 2012 at 5:05 AM, Kelly Cool <kellycoo...@yahoo.com> wrote:
>> Hi,
>>
>> I am extremely new to R, and was wondering if someone would be able to help
>> me with a question regarding the expand.grid function. When I input
>>
>> expand.grid.rep <- function(x, n=1) do.call(expand.grid, rep(list(x),n))
>> expand.grid.rep(c("a", "b", "c"), 3)
>>
>> my output is as follows,
>>
>> Var1 Var2 Var3
>> 1 a a a
>> 2 b a a
>> 3 c a a
>> 4 a b a
>> 5 b b a
>> 6 c b a
>> 7 a c a
>> 8 b c a
>> 9 c c a
>> 10 a a b
>> 11 b a b
>> 12 c a b
>> 13 a b b
>> 14 b b b
>> 15 c b b
>> 16 a c b
>> 17 b c b
>> 18 c c b
>> 19 a a c
>> 20 b a c
>> 21 c a c
>> 22 a b c
>> 23 b b c
>> 24 c b c
>> 25 a c c
>> 26 b c c
>> 27 c c c
>>
>> I was wondering if there was anyway I can change the row numbers to labels
>> that indicate what is in each row. Instead of a 1, I'd like to have a label
>> saying "aaa", etc. I'm not sure if this is even possible within the
>> expand.grid function but any help would be appreciated. Thanks.
>> [[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.
>>
>
> ______________________________________________
> 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.
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd....@cbs.dk Priv: pda...@gmail.com
______________________________________________
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.
