[R] function for all binomial combinations?

[chenxh007]

t(combn(4,2)) in the package *combinat* produce this function.

Xiaohui

Michael Wolf wrote:
> Dear all,
> 
> Is there a function that computes all binomial combinations.
> I am aware of the function "choose(n, k)" which computes the
> number of such combinations, but not the actual combinations
> themselves, e.g.:
> 
>  > choose(4, 2)
> [1] 6
> 
> So I am looking for function that would give me the following
> matrix as output, say:
> 
>  > function(4, 2)
>       [,1] [,2]
> [1,]    1    2
> [2,]    1    3
> [3,]    1    4
> [4,]    2    3
> [5,]    2    4
> [6,]    3    4
> 
> Matlab has such function, but I could not find one in R.
> 
> Please also reply directly to me: mwolf at iew.uzh.ch.
> 
> Thanks much,
> Michael
> 
> ______________________________________________
> 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.
>