From ripley@stats.ox.ac.uk  Tue Dec  4 17:33:55 2001
From: ripley@stats.ox.ac.uk (Prof Brian Ripley)
Date: Tue, 4 Dec 2001 17:33:55 +0000 (GMT)
Subject: [Rd] pt fails with ncp
In-Reply-To: <Pine.LNX.4.21.0112041822010.28603-100000@artemis.imbe.med.uni-erlangen.de>
Message-ID: <Pine.LNX.4.31.0112041731120.22130-100000@gannet.stats>

On Tue, 4 Dec 2001, Torsten Hothorn wrote:

>
> ?pt states that ncp=0 is default, so this is correct
>
> > pt(3,3)
> [1] 0.9711656
> > pt(3,3, ncp=0)
> [1] 0.9711656
>
> but this is not
>
> > pt(-Inf,3)
> [1] 0
> > pt(-Inf,3,ncp=0)
> [1] 0.5
>
> is it?

Nor is pt(Inf, 3, ncp=0)

It's very easy to fix, done ....

>
> Torsten
>
> --please do not edit the information below--
>
> Version:
>  platform = i686-pc-linux-gnu
>  arch = i686
>  os = linux-gnu
>  system = i686, linux-gnu
>  status = Under development (unstable)
>  major = 1
>  minor = 4.0
>  year = 2001
>  month = 12
>  day = 03
>  language = R
>
> Search Path:
>  .GlobalEnv, package:ctest, Autoloads, package:base
>
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-- 
Brian D. Ripley,                  ripley@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)
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[Rd] pt fails with ncp
Prof Brian Ripley