Re: Multi-Dimensional Histograms

On Mon, Jun 29, 2009 at 06:43:35PM -0400, Tom Lane wrote:
> David Fetter <david(at)fetter(dot)org> writes:
> > On Mon, Jun 29, 2009 at 01:28:01PM -0700, Nathan Boley wrote:
> >> ... They dismiss singular value decomposition and the discrete
> >> wavelet transform as being too parametric ( which is silly, IMHO
> >> )
>
> > Should we have a separate discussion about eigenvalues? Wavelets?
>
> I think it'd be a short discussion: what will you do with
> non-numeric datatypes? We probably don't really want to assume
> anything stronger than that the datatype has a total ordering.

That sounds about like the discussion we needed unless we later decide
we need to do something special for approximations of R^n :)

Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
Skype: davidfetter XMPP: david(dot)fetter(at)gmail(dot)com

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