Re: [chrony-dev] [GIT] chrony/chrony.git branch, master, updated. 1.25-pre1-18-g20a4340

[Miroslav Lichvar <mlichvar@xxxxxxxxxx>]

On Wed, Apr 13, 2011 at 09:01:43AM -0700, Bill Unruh wrote:
> Hm, whether one used normalised or unnormalised weights should not make a
> difference to the fit, or the variance in the slope. I looked at
> that code a few years ago, but have forgotten it by now. Will have
> to look again.

It doesn't. But in the weights calculation is included variance from
the previous regression, which can apparently create a positive
feedback when the weighted average of samples variance is used.