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Message-ID: <Pine.GSO.4.05.10005122028580.29635-100000@auk.stats>
Date: 2000-05-12T19:33:11Z
From: Brian Ripley
Subject: The incomplete gamma function
In-Reply-To: <Pine.OSF.4.05.10005122035480.22450-100000@alnair.uio.no>

On Fri, 12 May 2000, Kjetil Kjernsmo wrote:

> Hello again!
> 
> Since my previous question wasn't stupid, I try another one:
>
> Has anybody implemented the _incomplete_ gamma function in R?

What do you think the cumulative distribution function of a gamma
distribution is?  (Now, there is a little room for disagreement here,
but I think

pgamma(x, nu)*gamma(nu)

might be what you are looking for.)

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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