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From: Cimode <cimode@hotmail.com>
Newsgroups: comp.databases.theory
Subject: Re: A new proof of the superiority of set oriented approaches: numerical/time serie linear interpolation
Date: 30 Apr 2007 05:40:06 -0700
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On Apr 30, 1:26 pm, "David Cressey" <cresse...@verizon.net> wrote:
[Snipped]
> > You have not told me what you thought about the idea of using
> > interpolation as a possible computing method to systematically handle
> > missing data.
>
> You are right.  I'm still thinking about that.  Off the top of my head,  I'd
> suggest that
> interpolation is useful where data points represent a finite sample of some
> kind of continuum,  and that some,  but not all, situations of missing data
> lendthemselves to that description.  If this thinking sounds incomplete,
> that's because it is.
Precisely.   Which is why temporal data and series perfectly meet the
criteria of representing a continuum.