Have
you looked at the data to see if a log-normal population model is more
appropriate than a normal one? Do the very high values actually belong in
the data set or are they evidence of two different populations (for instance,
"background" and "contamination" or maybe "country rock" and
"ore"?)
Tim Glover
Senior Environmental Scientist -
Geochemistry
Geoenvironmental Department
MACTEC Engineering and
Consulting, Inc.
Kennesaw, Georgia, USA
Office 770-421-3310
Fax
770-421-3486
Email [EMAIL PROTECTED]
Web www.mactec.com
-----Original Message-----
From: Freddie De Bruin [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 11, 2005 1:30 AM
To: [email protected]
Subject: [ai-geostats] Very high valueDear list
I am working with a data set that as some very high values, can you pls help with any suggestions on the capping of the data for setting up variograms calculations.
Then do the capped data get used for the kriging process.
Thank you
Freddie de Bruin
Snr Geologist
Harmony Gold Mine
Office 011 411 2288
Cell 082 874 2033
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