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Date:   Sat, 28 Jun 1997 14:07:47 GMT
Reply-To:   BARNEY KREBS <krebs@IN.NET>
Sender:   "SAS(r) Discussion" <SAS-L@UGA.CC.UGA.EDU>
From:   BARNEY KREBS <krebs@IN.NET>
Organization:   INTERNET Indiana
Subject:   Re: permutations/combinations

On Fri, 27 Jun 1997 12:35:57 -0400, "Peter R. Berti" <berti@agradm.lan.mcgill.ca> wrote:

>I was unable to find a SAS function for calculating Permutations or >Combinations. In fact I couldn't even find one for Factorials. I had >thought that these would be SAS functions? Am I just missing them? > >Peter

Base SAS does include a GAMMA function, which gives you the factorials. You can find permutations and combinations by doing suitable arithmetic on the GAMMA results. (or on LGAMMA for large arguments.) See the documentation for details.

HTH.

Barney Krebs


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