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GEOVIA Surpac

Indicator kriging attribute

This function provides access to a variety of functions concerned with a probabilistic block grade distribution derived from the kriging of indicators.

An indicator is a binary number whose value is dependant upon a samples grade with respect to a cutoff or threshold value. In Surpac, an indicator of 1 is assigned if the grade is below the specified value.

To run this function: Choose Block model > Indicator kriging > Indicator kriging attribute, or...

  • In the Function Chooser, type BM FILL IK, and press ENTER.

Attribute name

Enter the name of the attribute which is to be indicator kriged. Any attributes for which cumulative frequency functions have been generated will be presented for selection to enable further processing.

Choose Cancel to return to the BLOCK MODELLING menu or choose Apply to display the INDICATOR KRIGING menu.

INDICATOR KRIGING
Delete IK Attributes
Indicator Kriging
Block Value Estimates
Percentiles
Probability

Messages

You must select a model first

Block Model indicator Kriging has been attempted without a current model. Use BLOCK MODELLING Graphics or MODEL Select Model to select a model.

Attribute name ??? contains illegal character ???.

You have tried to do indicator kriging with an attribute name that contains a reserved character. Change the attribute name so that it does not contain that character.