Message-ID: <Pine.GSO.4.44.0208280917230.7094-100000@auk.stats>
Date: 2002-08-28T08:19:12Z
From: Brian Ripley
Subject: probit etc. for dose-response modeling
In-Reply-To: <20020828081417.GC30586@eckehaat.uft.uni-bremen.de>
Sounds like you need to dichotomize.
More generally, R can only fit a fully-specified statistical model.
Specifying the model is the hard part of applied statistics.
On Wed, 28 Aug 2002, Johannes Ranke wrote:
> the "healthy status" of our cells is around 1, and if they are
> inactive, they are around 0. Values > 1 and < 0 do occur.
>
>
--
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)
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