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To: Christina_Young@Wa*.Me*.co*
Subject: Re: Ultimate model
From: Frank Deutschmann <fhd@in*.ne*>
Cc: techdiver@opal.com
Date: Mon, 20 Mar 1995 13:26:03 -0500 (EST)
Christina_Young@Wa*.Me*.co* sez:
> I don't think that any decompression model could ever be "validated".
> The best we can hope to do simulate and test the model under as many
> conditions as possible - what you get is a mathematical approximation
> that has been empirically confirmed for the conditions in which it
> was tested.

Yes, exactly -- this is what validation means in the context of
physiological models (and economic models, too).

But some validation (call it confirmation if it makes you happier) is
certainly required -- and an important part of the release of the model
is to indicate exactly what situations the model was validated in.  Without
this information, we risk applying a model to situations in which it
makes highly precise, though inaccurate, predicitons -- with nasty
consequences for the user.

I am wondering specifically the Abyss people will do to prevent this.

-frank
-- 
fhd@in*.ne*  | [M]athematics is not the study of intangible Platonic
1 212 559 5534     | worlds, but of tangible formal systems which have arisen
1 917 992 2248     | from real human activities.
1 718 746 7061     | 	--  Saunders MacLane

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