Am Mittwoch 20 Februar 2008 schrieb Mike Schuh:
I wonder if a multiple regression against several factors would turn up
anything useful:
vis = f(humidity,temp,wind,ceiling,elevation,sun_angle,ground_cover)
Not sure how to incorporate sun_angle for values 0 (i.e., night). Moon?
* Mike Schuh -- Wednesday 20 February 2008:
Not sure how to incorporate sun_angle for values 0
(i.e., night). Moon?
I doubt that the moon has much influence (although it slightly
deforms the Earth surface). The sun angle effect is already
contained in the other values, as well as in the
Thanks for the processing chain.
I'll see if I find some time to look into this in the weekend. Lots of other
data processing (ant distributions, butterfly breathing, etc.) on the bench
already... :)
My main idea is not to develop a complicated model. I rather try to find some
complicated
* Thomas Förster -- Thursday 21 February 2008:
My main idea is not to develop a complicated model. I rather
try to find some complicated filtering in the hope, that the
remaining data gives a simple model that's better than the
conservative setting.
Ahh, excellent. That sounds even better.
On February 20, 2008 05:36:16 pm Mike Schuh wrote:
On Wed, 20 Feb 2008, Melchior FRANZ wrote:
* Melchior FRANZ -- Wednesday 20 February 2008:
One effect that could also be considered is wind speed.
Hmm ... and temperature. Very hot should probably reduce
the visibility as well, even if
On Wed, 20 Feb 2008, Melchior FRANZ wrote:
* Melchior FRANZ -- Wednesday 20 February 2008:
One effect that could also be considered is wind speed.
Hmm ... and temperature. Very hot should probably reduce
the visibility as well, even if it's dry. Have to play
a bit more with temp/visibility,
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