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Re: unnormalized covariances
From: |
Ben Pfaff |
Subject: |
Re: unnormalized covariances |
Date: |
Sat, 06 Mar 2010 11:24:29 -0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Jason Stover <address@hidden> writes:
> I need to use the "un-normalized" covariances for the
> regression, meaning just dot products, not divided by
> sample sizes. Does anyone mind if I add the following functions
> to covariance.c?
Seems fine to me. I didn't look them over in detail.
Can the "normalized" covariances be implemented by calling one of
these functions and then doing a division (etc.)? If so then
it's usually best to do that sort of thing, to avoid duplicating
code.
--
"Term, holidays, term, holidays, till we leave school,
and then work, work, work till we die."
C. S. Lewis