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Re: Optimisation of statistic calculations

From: Ben Pfaff
Subject: Re: Optimisation of statistic calculations
Date: Wed, 03 Nov 2004 16:24:52 -0800
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux)

John Darrington <address@hidden> writes:

>      2. Use a generic optimization module. GSL provides one that could be
>      hooked in to PSPP.  Different statistical estimation procedures use
>      the same backend algorithms (e.g., sorting for nonparametric routines
>      and Newton-Rhapson for generalized linear models). A single optimizer,
>      or other backend routines, can eliminate a lot of redundancy.
> I briefly looked at the gsl manual, but couldn't see any mention of
> this.  Can you give me a reference to where this is documented?

I think that this is a suggestion about how to reduce code (not
time) redundancy, by taking advantage of algorithms implemented
in GSL.  It's a good idea but orthogonal to avoiding doing the
same calculations repeatedly.
Ben Pfaff <address@hidden>
Fall 2004 CS140 teaching assistant
CS140 webpage:

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