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Re: creating new aggregate function

From: Sam Mason <sam(at)samason(dot)me(dot)uk>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: creating new aggregate function
Date: 2008-02-29 17:37:38
Message-ID: 20080229173737.GQ1653@frubble.xen.chris-lamb.co.uk (view raw or flat)
Thread:
Lists: pgsql-hackers
On Fri, Feb 29, 2008 at 12:11:59PM -0500, Justin wrote:
> Need help and direction  creating new aggregate functions.
> 
> We need to add more average functions for both scientific and finical 
> purposes

[ ... ]

> what would be the best way to create these new functions??

I'd be tempted to look at pl/r[1], R[2] is a language for statistical
analysis and pl/r integrates it into Postgres.


  Sam

 [1] http://joeconway.com/plr/
 [2] http://www.r-project.org/

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