[R] Partition of a set

[Michael Bedward]

Hi Diana,

Have a look at the setparts function in the partitions package.

Michael

On 12 November 2010 20:03, Diana <d.tichy at mathematik.uni-wuerzburg.de> wrote:
>
> Hi
>
> I am new on this forum. I am searching for a function in R which provides
> all partitions of a set, say for the set
> {1,2,3}
> you get
> {{1,2,3}}
> {1,{2,3}}
> {2,{1,3}}
> {3,{1,2}}
> {{1},{2},{3}}
> . The number of partitions of a set is given by Bellsche`s number. The
> number of possibilities of length (this is the number of subsets included in
> the partition) of the partition is given by the partition function.
> But I need a list containg all possible partitions of an index set
> {1,...,d}, d arbitrary.
>
> I have already looked at the FAQs but I did not found. Sorry.
>
> Can anybody help me?
>
> Thanks a lot!
> Diana Tichy
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