Hi,
Regarding the first question I had asked tech support about referencing
individual or groups of rows in the database and was told there currently
aren't built in tools to do this; a GX can be developed to do this though.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Darren Mortimer
Sent: Wednesday, April 25, 2001 6:22 PM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: [geonet]: Running mean and node counting
Hi
I was wondering if anyone has any comments or hints for a couple
things I'm trying to do.
1) Calculate a 'running' mean, mode, and min of a channel over a given
interval - say 80 to 100 data points. Storing the results in a new channel
at the mid-point ie at the 40th point in the case of 80 points. This can be
done in a spreadsheet but I was hope to avoid have to export and
reimport the data.
2) Count the number of data points that would fall within given
sub-areas or windows. The sub-areas are usually squares if it
matters/helps. I could go through windowing the data, but has anybody
tried to automate this other than with a script and a series of mask files.
Thanks
Darren
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