Re: What is Data Model FOR?

From: Alan Dechert <alan_at_openvotingconsortium_dot_org>
Date: Thu Apr 29 2004 - 13:10:52 CDT

> Dear Daniel, thanks for your message. n! is good enough closed form
> for me. But n! only gives you the full permutations of n!
> candidates, not the partial permutations of up to n candidates. Do
> you have a formula for that? Do you want to derive it?
We went over this some time ago:

The unordered combinations of n things taken k at a time is given by
n!/(k! * (n-k)!)

Alan D.
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Received on Fri Apr 30 23:17:23 2004

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