[GRASS-user] Cross Validation for 3d raster

[Francois Chartier]

Hi

Using v vol rst, and trying to minimize the error between the interpolation
and actual 3d points by adjusting the Tension. Cross validation can be done
to find out the error between the data and interpolation at the same
location.

I would like to know what output value of the cross validation process
corresponds too? is it just a difference between the interpolated voxel and
the dat point value?

thks
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