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> From: "P F" 
>
> Although this technique is similar to averaging it enables outliers
> (statistics talk for, in our context, gross errors) to be eliminated,
> thus an improvement on averaging that includes and is polluted by
> them.

You are preaching to the choir. I am guilty of using "averaging" as a
generic term for whatever method the practitioner uses to meld the
individual observations into one useable point of time and Hs/Ho for
reduction.  Popular methods seem to be averaging, linear regression, and
fitting to slope.  I have long been a proponent of fitting to slope as the
list archives will attest to.

I do understand it is fall in oz (which seems to be not to your liking), and
spring in the states. Keep you spirits up by getting at least 15 minutes of
sunshine a day--sailing season will come around again. 

Bill


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