Dear Digby, In my experience, it is short for prediction error variance, i.e. the variance of the prediction error (Z(x)-Z^(x)), where Z^(x) is the (kriging) predictor of Z(x).
Gerard Gerard B.M. Heuvelink Soil Science Centre Wageningen University and Research Centre P.O. Box 47 6700 AA Wageningen The Netherlands tel +31 317 474628 / 482420 email [EMAIL PROTECTED] http://www.dow.wur.nl/UK/cb/ls/sfi/sfi_alg.htm -----Original Message----- From: Digby Millikan [mailto:[EMAIL PROTECTED] Sent: woensdag 24 augustus 2005 14:08 To: ai-geostats Subject: [ai-geostats] Prediction variance What is prediction variance? Digby
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