[rrd-users] HWPREDICT. What season should one use for measurments that are abnormally low over weekends ?

Stanley Hopcroft Stanley.Hopcroft at IPAustralia.Gov.AU
Mon Aug 12 11:23:41 MEST 2002

Dear Ladies and Gentlemen,

I am writing about the wonderful Holt-Winters prediction support in the
dev branch of rrdtool (the list charter mailed to me after subscribing
to rrd-developers lead me to think that this was the right list for

Please would you let me know how to use HWPREDICT on a series that has
abnormally low values over the weekend ?

Should I use a seasonal cycle of 1 day and only measure/predict for the
5 ordinary days ?

This sounds like an FAQ to me; sorry if it is.

(Using the snapshot whose last change recorded in the Change Log is 1st
of August.)

Yours sincerely.

Stanley Hopcroft

'...No man is an island, entire of itself; every man is a piece of the
continent, a part of the main. If a clod be washed away by the sea,
Europe is the less, as well as if a promontory were, as well as if a
manor of thy friend's or of thine own were. Any man's death diminishes
me, because I am involved in mankind; and therefore never send to know
for whom the bell tolls; it tolls for thee...'

from Meditation 17, J Donne.

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