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Re: st: Treat zeros in logarithms


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Treat zeros in logarithms
Date   Tue, 26 Aug 2008 18:11:45 +0100 (BST)

--- "Mentzakis, Emmanouil" <e.mentzakis@abdn.ac.uk> wrote:
> I have an interval regression model and for some cases the lower
> bound is zero. As I want to take the logarithm of the bounds I run
> into problems.

You do not run into problems: The lower bound will be missing, which
corresponds in case of -intreg- to minus infinity: which is exactly
what you want.

-- Maarten


-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
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