Try this replacing letters[1:4] with your set:
> do.call(expand.grid, as.data.frame(rbind(letters[1:4], NA)))
V1 V2 V3 V4
1 abcd
2 bcd
3 a cd
4 cd
5 ab d
6 b d
7 a d
8d
9 abc
10 b
Can you give a small example of what you data looks like and what you
think the output should be. Have you looked at 'combn'?
On Sun, Jul 20, 2008 at 4:33 PM, lamack lamack <[EMAIL PROTECTED]> wrote:
>
> Dear all, is there a R function that enumerate a partition of a vector of
> size n? (of cour
lamack lamack wrote:
Dear all, is there a R function that enumerate a partition of a vector of size
n? (of course for n not very large).
I would like enumerate all the (2 power n)-1 sub-sets. (2 power n)-1 since (2
power n) includes de empty subset.
Best Regards.
ps. It is not a homework. I n
Dear all, is there a R function that enumerate a partition of a vector of size
n? (of course for n not very large).
I would like enumerate all the (2 power n)-1 sub-sets. (2 power n)-1 since (2
power n) includes de empty subset.
Best Regards.
ps. It is not a homework. I never posted homework i
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