Re: st: combinatorics

[Roger Newson <roger.newson@kcl.ac.uk>]

At 04:23 17/08/2005, James wrote:
> Does anybody know of a package that generates permutations and 
> combinations? That is, the actual ordered/unordered sets of combinations 
> or permutations of elements from a set.
>
> I wrote a little package that does this for the set {1,2,...,n} a few 
> months ago, and just want to check that there isn't already something 
> equivalent out there.
>
> Also, does anybody have a wishlist of combinatoric operations that they 
> would like to see in Stata, other than for the generation of the above 
> sequences?
If I type

findit permut

then I find a lot about permutation tests, but nothing that looks like a 
package to generate a full set of permutations or combinations.

James should probably send his package to SSC. I don't know if James is 
using Mata in this project, but it is probably a good idea.

Best wishes

Roger



--
Roger Newson
Lecturer in Medical Statistics
Department of Public Health Sciences
Division of Asthma, Allergy and Lung Biology
King's College London

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Opinions expressed are those of the author, not the institution.

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