[RC5] Stats suggestion
rmalayter at bai.org
Fri Jan 5 15:14:52 EST 2001
I just pumped my OGR history into an excel spreadsheet & graph, and I must
say that a 14-day half-life looks most meaningful on the graph. I have 150
machines on my account, but my "Gnodes/day" values are still all over the
place, unlike my RC5 stats, which are fairly constant.
In any case, the 7-day exponential average is way too spiky, and the 30-day
is basically a straight line, but 10 seems to be a good compromise.
The formula I used for the 10-day average was:
=POWER(0.5,(1/10))*(Yesterday's avg) +
> -----Original Message-----
> From: Ben Clifford [mailto:benc at hawaga.org.uk]
> Sent: Friday, January 05, 2001 2:16 PM
> To: rc5 at lists.distributed.net
> Subject: RE: [RC5] Stats suggestion
> On Fri, 5 Jan 2001, Dan Petrak wrote:
> > The "catch up" that you're thinking of... Does this mean
> you can't just
> > suppress the field until the participant has been active
> for enough days to
> > generate the first decay period?
> No, the problem is that we need to compute an initial value
> for everyone
> who is currently a participant - this needs a lot of CPU
> time. If this is
> not done, then everyone starts off at 0 as if they hadn't
> been working for
> the past 3 years.
> The computation only needs to be done once, and only for
> people who are
> participants now, but it would be a big one.
> People who join after this has been implemented will work
> I think the computation could be done over a period of
> several days, with
> a portion of the users being computed each day - I think the
> algebra of
> this kind of average would mean that the results can just be added
> together for a user, so there wouldn't be a need for flags to
> indicate if
> they had been done yet. This should make transition a bit easier.
> http://www.hawaga.org.uk/travel/ for my rotating world map applet
> http://www.hawaga.org.uk/benc_key.txt PGP / GPG key
> 0x30F06950 - please use it!
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